среда, 16 февраля 2011 г.
суббота, 5 февраля 2011 г.
вторник, 18 января 2011 г.
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by <a href="http://www.flickr.com/photos/93736151@N00/3805151750">Sidereal</a></div>
<strong>Powershot S3 and Powershot S5 – Two Generations of Ulta-zoom Cameras by Canon</strong>
S3 and S5 - Two Generations of Ulta-Zoom Cameras by Canon
In common practice, the comparative test aims at distinguishing the advantages of one producer over another within one and the same price category and functional group. That is why models by different producers representing the same section of the market are taken for observation. Canon cameras are usually compared with their group-mates from Panasonic, Sony or Nikon. But we at DigiCamFriends.com have agreed to take another way and get to know what obvious innovations may be found in the Canon PowerShot S5 IS (hereafter, Canon S5) in comparison with the Canon PowerShot S3 IS (hereafter, Canon S3) that used to be extremely popular.
Let's imagine we know nothing about new features developed by Canon for the new model S5 that appeared after the Canon S3:
Physical view
Canon models of S - series, being different from another Canon PowerShot "subclass" (that is models of A-series), are characterized as "amateurish" but with some skills of "professional". This is for report or art-report shooting, but not for the motionless photos, something like "a tree and me" type. From this point of view both models have a very handy design.
In fact physical view of the camera has not been changed, except first- the enlarging of the movable screen from 2 to 2.5 inches and second- the replacement of one of the control buttons. And while the latter novelty hardly seems to be pleasant, the first one fits quite natural- it's become more convenient to take photos with a larger screen.
Pic.1: Canon PowerShot S3 IS and PowerShot S5 IS; front.
Pic.2: Canon PowerShot S3 IS and PowerShot S5 IS; rear.
Pic.3: Canon PowerShot S3 IS and PowerShot S5 IS; movable screens.
Optics
The cameras have the same lens construction type with identical settings (the market interpretation of the term construction - the quantity of the optical elements and it's groups). Unfortunately, there was no information found on the manufacturer's Web-site mentioning that these lenses are identical; so I won't insist on theoretical view point, but make a display with some photo examples.
Example 1 : Shots with max. depth of field (the aperture priority mode, the shutter is closed down; Flash is on; ISO80 sensitivity; the white balance - "Flash"). The distance between the objects is about 15-25 cm. Auto focus on the handle of the cup. On the left is a shot taken by the Canon S3, on the right, by the Canon S5.
Example 2 : Shots with min. depth of field (the aperture priority mode, the shutter is absolutely open; Flash is on; ISO80 sensitivity; the white balance - "Flash"). The distance between the objects- about 15-25 cm. Auto focus on the handle of the cup. On the left is a shot taken by the Canon S3, on the right, by the Canon S5.
These cameras are recognized among the majority of digital cameras for equally good color reproduction and quick focusing on the objects, even if they are trying to escape from your camera.
Example 3: Focus on objects moving to and fro with 12x optical zoom in. On the left, a shot taken by the Canon S3, on the right, by the Canon S5.
It doesn't make much sense if we start making a display of numerous examples of similarities between these cameras. We'll stop making trivial comparisons of their features and proceed to noting peculiar and individual characteristics discovered during the experiments.
The Imperfectness of the Lens
Practical optics has very little in common with the geometrical sums in the physics lessons that students solve while learning about cameras as a kind of equipment. But however accurate the calculations may be, even the most carefully developed ( and rather expensive) model of the lens is not completely perfect. For example, there can be chromatic aberrations, when the objects on the image are colorfully haloed. Test results show that both cameras have the same level of chromatic aberrations. Surprisingly, in spite of the progress of the competitors, Canon hasn't manage to overcome this problem when developing the Canon S3 into the Canon S5, even after the evolution within internal toolkit. On the whole, in my point of view, the number of drawbacks of cameras for ultra-zoom class is high.
Example 4 : chromatic aberrations are the colourful halos around the bridge footing. This example also displays the difference of the sharpness of the objects in the photo taken by different cameras, but we'll discuss it later. At the top is the whole shot with the testing
area highlighted. On the left is a shot taken by the Canon S3, on the right, by the Canon S5. For both cameras we set semi-auto "Landscape" mode with completely closed aperture, 12x optical zoom in.
Shooting Close-ups - Macro modes
Macro-shooting is not an easy task for a camera, designed as the "the mater of landscape photography". The technical characteristics for shooting bugs and spiders are just opposite of those for shooting sun-sets and mountain landscape. There are numerous items that can be
evaluated to identify the macro capacity of the camera. In particular, there is a famous test based upon not simply measuring the distance from the lens surface necessary for focusing, but making a photo of a small object wthin the whole shot. The smaller the object, the higher degree of macro capacity of your camera has.
We agreed to experiment upon the monetary unit of our country - coins of different values.
For both the Canon S3 and the Canon S5, macro-shooting is available in two different modes: "macro" and "super-macro". We had expected to get the similar results, but it turned out that, with the Canon S5, the borderline between these modes suffers influence of its predecessor. While "macro" mode of the Canon S3 enables you to take a photo of 5 coins, that enlargement is not enough for the Canon S5 for it's limit is 6 coins (shooting of 5 coins requires "super-macro" mode).
Example 5: On the left, a shot taken by the Canon S3; on the right, by the Canon S5.
After experimenting at length with "super-macro" mode we managed to take the image of a single coin. By the way, the coin is 15.5 mm in diameter. Unfortunately, this test can't be characterized as complete. It might be possible to take photos of much smaller objects on the whole screen provided there is extra lighting ( the cover around the lens prevented the addition of more light:in fact the lens was resting on the object; we had to build up a flash reflector, manually-set ISO200 sensitivity, and at last lighten the image with an image editor program.
Example 6: "Super-macro" mode. On the left, a shot taken by the Canon S3, on the right, by the Canon S5. The lack of light forced us to set the sensitivity to a high ISO level, and the bright halo around the coin is nothing but a flash, spread all over the tightly-stretched piece of white paper.
Sensor and ISO speed
Both cameras have sensors of 1/2.5' size, the number of effective pixels (pixel value) is 6 - 8 megapixels. Nowadays 8 megapixels for that type of sensor seem to be the limit (A greater number is quite possible, though it might be not economically feasible).
An important characteristic of digital camera, referring to its sensor, is ISO speed. The manufacturer gives the ISO speed scale from 80 to 800 for the Canon S3 and up to 1600 for the Canon S5. Let's experiment to evaluate data in low light condition.
Example 7: ISO80 speed. At the top is the whole shot with the testing area highlighted. On the left is a shot taken by the Canon S3, on the right, by the the Canon S5 (shutter speed priority mode, external light; for better observation the highlighted areas are enlarged in an image editor).
Example 8: ISO100 speed. At the top is the whole shot with the testing area highlighted. On the left is a shot taken by the Canon S3, on the right - by the Canon S5 (shutter speed priority mode, external light; for better observation the highlighted areas are enlarged in an image editor).
Example 9: ISO200 speed. On the left is a shot taken by the Canon S3, on the right, by the Canon S5 (shutter speed priority mode, external light; for better observation the highlighted areas are enlarged in an image editor).
From the examples above we may see that an ISO speed within 80- 200 scale makes good results for both cameras, although the results with the higher ISO speeds are not so clear.
Example 10: ISO400 speed. Same cameras and same conditions as above.
Example 11: ISO800 speed. Same cameras and same conditions as above.
While shooting with ISO400 sensitivity gives equally good results, the setting of ISO800 sensitivity enables the new internal algorithm of noise reduction in the Canon S5 to come into play (Heaven knows how it happens - either via auto or programmed mode). As for ISO1600 sensitivity, it is absolutely useless; even the above mentioned noise reduction mechanism doesn't cope with the noises. Though the manufacturer doesn't hold this option back from customers.
Example 12: ISO1600 speed of the Canon S5. The same image patch, as in the previous examples (the shutter speed priority mode, external light; for better observation the marked out areas are enlarged in image editor).
By the way, during the experiments with ISO speed, another peculiar feature of both cameras had been noticed. They manage to operate the white balance mode equally good, except when the white balance mode should be set manually at high ISO speed (800 and 1600). The noises of the sensor seem to appear in the program accepted averaged color, that is white.
It is not a great obstacle to overcome for usually the candlelight is used at such a high ISO speed (the dim light of a table-lamp and dingy street-lamps, for example) and you may choose the appropriate manual setting. Still, it is strange why such an imperfect algorithm inherited from its predecessor didn't go through any changes.
Focusing on the distant objects
It has already been mentioned (discussing chromatic aberrations) that we get different results when focusing on distant object by Canon S3 and Canon S5. To check the fact we shot a series of landscape images with 12x optical zoom in. The semi-auto "landscape" mode was set to provide completely closed aperture along with the other auto-set characteristics (in other words to realize the greatest possible depth of field). To meet the non-stop character of the experiment, the test shots were taken at once without choosing the object to focus on but as soon as the camera informs that its ready to shoot (as soon as it has focused on). In addition, to avoid different views of nature by the cameras, we set "Spot focus" mode. Let me show you the effect referring to the series of shots of a TV tower.
Example 13: Focusing on distant objects with 12x optical zoom in ( "Landscape" mode, "Spot focus" mode). At the top is the shot of the landscape without enlargement; in the middle- the same landscape with 12x optical zoom in (with highlighted testing area). At the bottom to the left is the image by the Canon S3, at the bottom to the right, the image by the Canon S5 (both shots have been enlarged in an image editor).
The results show the pre-eminence of the Canon S5 working in auto focus mode. Probably, the Canon S3 might have shown not as bad results, if it were used in manual focus mode, but then it would break the conditions of the experiment.
Toolkit
"Sharpness" is available for both cameras, being called "Rezkost" in Russian texts. It attracted most attention among the other settings, because in a way it may be regarded as the equivalent of the internal noise reduction option (it doesn't reduce the noise but highlight the edges, that make impression of a high-quality shot). To test that no changes had been made within the algorithm, we took a number of shots with 400ISO speed (the noises are already conspicuous, but they do not prevail).
Example 14: Internal algorithm of increasing "Sharpness" for the Canon S3 and the Canon S5. At the top the photo with highlighted testing area. In the middle, a shot to the left, taken by the Canon S3 without increasing sharpness, a shot to the right, taken by the Canon S3 at a "high" level of "Sharpness". In the row below the same operations with the Canon S5.
Based upon the examples above, we may say that this algorithm as well didn't go through great changes: such a "delicate" way of increasing sharpness with a few artifacts left. It seems as though the manufacturer had not intended to update toolkit for a new model.
The algorithms of compression
It's a pity, but neither of the cameras deals with RAW files (despite the Canon S5 sporting a new feature which is characteristic of a professional camera; that is, the flash hot shoe for external flash); all the image files are saved in JPEG format with various degree of resolution and compression (both are manually set). To compare the internal algorithms of compression we shot 2 series of photos in "Landscape" mode (to provide the best depth of field on the small far details). The center of the shot had been taken for the testing area to eliminate possibly the influence of the imperfect optics; all the changes were made in BMP format in order to make JPEG artifacts more conspicuous, and at the same time, not to add any extra while preparing shots for publishing; all the image patches were enlarged in the end.
Example 15: The comparison of the internal algorithms of compression for the Canon S3 and the Canon S5. At the top- the photo with highlighted testing area. The shots with the increasing degrees of compression follow below. On the left are the shots taken by the Canon S3, on the right, by the Canon S5.
The above examples display that the Canon S5 inherits from its predecessor the Canon S3 the visual effect of compression even for the high-quality images. I would recommend either increasing the super- quality of JPEGs (by any possible way) or contribute RAW- format (TIFF/ BMP- any of the formats that compresses without faults); the cameras really suffer from the lack of one!
Features
Among the pleasant innovations for Canon S5, such have been noticed (though not checked):
* extensive work with the same set of batteries (170 shots in stead of 110 - according to the results of the standard test by the manufacturer);
* a hot shoe and sync-contact for external flash.
Summing up
After practical work with both cameras, we at DigiCamFriends.com may conclude that some changes indeed have been made for the new model. This can be observed in such operations as focus on distant objects with high optical zoom or with high ISO speed. These new features helped to correct utter drawbacks found in the Canon S3, in comparison with the success of the similar pairs of cameras by other manufactures. The question is would you agree to pay for these innovations?
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Imyaz Familik is the expert of <a onclick="javascript:_gaq.push(['_trackPageview', '/outgoing/article_exit_link']);" rel="nofollow" href="http://www.digicamfriends.com">DigiCamFriends.com</a>
Article from <a href="http://www.articlesbase.com/electronics-articles/powershot-s3-and-powershot-s5-two-generations-of-ultazoom-cameras-by-canon-393527.html">articlesbase.com</a>
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canon in c major...
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<h3><a rel="nofollow" href="http://www.amazon.com/Canon-55-250mm-4-0-5-6-Telephoto-Digital/dp/B0011NVMO8%3FSubscriptionId%3DAKIAJRLSMUNQNZY5PDIA%26tag%3Dhdre000-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB0011NVMO8">Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras</a></h3>
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<ul>
<li>Focal Length & Maximum Aperture: 55-250mm F/4-5.6</li>
<li>12 Elements In 10 Groups, Including One UD-glass Element</li>
<li>Focus Adjustment: DC Motor, Gear-driven(front Focusing Design)</li>
<li>Closest Focusing Distance: 3.6 Ft./1.1m</li>
</ul>
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<ul>
<li>14.1-megapixel resolution; 2.7-inch PureColor System LCD</li>
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<li>Smart AUTO intelligently selects from 22 predefined settings</li>
<li>New scene modes such as Miniature Effect and Fisheye Effect; Low Light mode for dimly-lit situations.</li>
</ul>
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FEATURES: 14.1-megapixel resolution and large, 2.7-inch PureColor System LCD - Canon
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<strong><em>Question by Ms.Matashi</em>: Is there a significant learning different between the Canon Digital Rebel XT and the Canon 40D?</strong>
I plan on renting a Canon 40D sometime at the end of this month. Currently I use a Canon Digital Rebel XT. I was wondering is there a big learning difference between the two camera? What is on the 40D that I have to learn that is not on the digital rebel? I plan on shooting in manual and in raw.
<strong>Best answer:</strong>
<em>Answer by Ali C</em>
Yes!!!
Get the 40D, it is about three classes higher than the XT.
The 40D has image stabilizer in it and the XT doesn't and that will help you out SO much.
<strong>What do you think? Answer below!</strong>
<strong>Meeting the new Canon clan - 1D Mark IV</strong>
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<em>Image by <a href="http://www.flickr.com/photos/9852972@N03/4036447509">Axel Bührmann</a></em>
<em><strong>Roadshow previews: </strong> <a rel="nofollow" href="http://www.youtube.com/watch?v=4LYwphC0CSk">here </a>and <a rel="nofollow" href="http://www.youtube.com/watch?v=pGVXqba4BJg">here</a></em>
<strong><a rel="nofollow" href="http://fiveprime.org/blackmagic" target="_blank">It really is <em>much</em> better viewed on black </a>using <a rel="nofollow" href="http://fiveprime.org/hivemind/User/Axel B%c3%bchrmann/Recent" target="_blank">Fiveprime's Black Magic</a></strong>
At a round table discussion with <a rel="nofollow" href="http://www.new.facebook.com/home.php#/profile.php?id=596858568&ref=ts" target="_blank">Canon's Roger Machin</a> today (<a rel="nofollow" href="http://www.youtube.com/watch?v=pGVXqba4BJg" target="_blank">more in-depth detail here</a>); met the new Canon clan - 1D Mark IV and new lenses (that 100m macro is something else - fast zoom, light and crisp).
Then there's the EOS 7D, which I have my pecuniarily-challenged eye on.
There is also a piece on how Canon is pushing<a rel="nofollow" href="http://www.youtube.com/watch?v=4LYwphC0CSk" target="_blank"> the 7D megapixel boundaries here</a>
<strong><strong>Here's the </strong>EOS-1D Mark IV <strong>press release</strong></strong>
Canon SA has announced the EOS-1D Mark IV – a high-speed, professional Digital SLR (DSLR) camera designed to empower photographers to capture split-second moments in high resolution, under the most challenging of conditions.
The EOS-1D Mark IV has been designed for shooting action, sports, news events and wildlife photography, delivering the necessary speed, power and high-resolution images required by photographers in fast-paced, high-pressure situations.
Developed incorporating feedback from professional photographers, the EOS-1D Mark IV features a new Canon 16.1MP APS-H CMOS sensor and a brand new 45-point Auto Focus (AF) system with 39 f/2.8 sensitive cross-type points, providing a wide selection of precise focus areas across the frame.
Additionally, dual “DIGIC 4” processors provide the power to shoot continuous, high-resolution images at up to 10 frames per second (fps), as well as delivering the widest ISO range ever to feature in a Canon camera.
<strong>The Canon EOS-1 Mark IV offers the following features: </strong>
•New 16.1 Megapixel APS-H CMOS sensor
•10 frames per second continuous shooting
•Up to 121 large JPEG images in a single burst
•New 45-point wide area AF with 39 cross-type sensors with f/2.8 sensitivity
•High-speed Dual “DIGIC 4” processors for superb image quality
•12,800 high ISO expandable up to 102,400
•Full HD movie recording at 30, 25 and 24 frames per second
•3.0‛ Clear View II LCD with Live View mode
•Durable dust and water resistant body with 76 rubber seals
•Compatible with all Canon EF lenses, and Speedlite EX flashes
•Also available - new EOS-1D Mark IV Wireless Transmitter WFT-E2 II (also compatible with existing Wireless File Transmitter WFT-E2)
Comments <a rel="nofollow" href="http://www.new.facebook.com/home.php#/profile.php?id=596858568&ref=ts" target="_blank">Roger Machin, photo/video product manager at Canon Consumer Imaging SA</a>: “The EOS-1D Mark IV has been developed with the specific needs of photographers in mind. We’ve taken the feedback of photographers to heart and as a result produced a Digital SLR tailored to their exact requirements. The EOS-1D Mark IV is packed with advanced features that enable photographers to take high-quality images quickly and accurately.”
<strong>Highly sensitive, cross-type focusing – capture every detail at speed </strong>
The Canon EOS-1D Mark IV’s new 45-point AF system, with 39 f/2.8 sensitive cross-type points located across the frame, provides consistent AF on static or moving subjects, no matter which AF point is being used. All 45 AF points are user selectable and now more sensitive, with the AF points towards the edge of the frame offering identical levels of performance to those in the centre.
The entire AF system is managed by a dedicated microprocessor, providing fast, accurate focusing – even when shooting continuously at 10fps. Canon’s newly-evolved AI Servo II AF offers more precision when tracking moving objects, utilising the power provided by the dedicated microprocessor to improve overall tracking accuracy and increasing focus reliability in low-contrast and extremely bright conditions.
Additionally, to provide increased flexibility, a vast range of manual and automatic AF control options are available including - with lenses featuring an AF Stop button - Canon’s new Spot AF feature. Spot AF offers a more precise focus area to meet the needs of photographers that require pinpoint focusing. A 63-zone metering system enables the use of multiple metering modes, with the dedicated sensor linked to the 45 AF points, providing AF point-linked and multiple spot metering options.
The EOS-1D Mark IV also features orientation-linked AF points, an orientation sensor controlled feature that enables photographers to store separate AF points for different camera positions. Covering both horizontal and vertical shooting positions (both grip up and grip down), orientation linked AF points offers the flexibility to quickly change camera orientation when shooting with the AF settings switching to suit the subject. AF point registration enables the photographer to store an alternate AF point that can be used at the touch of a button.
<strong>The power and performance of Dual “DIGIC 4” and CMOS </strong>
The combination of a custom-designed, high resolution 16.1MP APS-H CMOS sensor and Dual “DIGIC 4” processors ensures that detailed, crisp images are delivered at high speeds.
The inclusion of an APS-H sensor combines a high pixel-count with an effective field of view measuring 1.3x the focal length of the lens. This provides immediate benefits for sports, news and wildlife photojournalists, who operate on-the-move and need to get closer to their subjects and maintain fast apertures without resorting to longer focal-length lenses – which are typically heavier.
Continuous shooting is facilitated by the sensor’s eight-channel data read out, which provides a rapid read sequence and makes full use of the Dual “DIGIC 4” processors to enable high-speed 10fps shooting at full 16.1MP resolution, while maintaining image colours through 14-bit analogue to digital (A/D) conversion.
The ability to shoot images at 10fps, without any drop in resolution, means the EOS-1D Mark IV features the fastest continuous shooting with Auto Focus currently available from a Canon DSLR. The increased processing capacity of Dual “DIGIC 4”processors manages the increased data created by the 60% rise in image resolution, while still enabling the EOS-1D Mark IV to deliver a continuous burst of up to 121 large JPEGS, or 28 RAW images using a UDMA 6 card – ideal for fast-moving sporting action or news events where scenes are unfolding quickly.
The EOS-1D Mark IV also includes updated Picture Styles and the first ever integration of ALO (Auto Lighting Optimizer) in a professional EOS body, automatically correcting the contrast and brightness of images as they are recorded.
These features combine to provide a faster workflow for those requiring press-ready images direct from the camera without the need for retouching, enabling photographers to concentrate solely on capturing that once-in-a-lifetime shot.
Full compatibility with the latest UDMA 6 standard Flash memory cards also ensures that image data is rapidly written to the EOS-1D Mark IV’s CF memory card. In addition, the flexibility to also record to a Secure Digital/SDHC memory card allows photographers to keep shooting for longer until they get the shot they need.
<strong>Advanced performance in low-light </strong>
The EOS-1D Mark IV also delivers extreme low-light performance. Standard ISO on the EOS-1D Mark IV ranges from 100-12,800, while extended ISO ranges from a low of 50 to 102,400 – the highest ISO ever offered by a Canon SLR. This extreme low-light performance makes the EOS-1D Mark IV ideal for night shots or shooting at evening events, where the lack of light would normally make shooting impossible.
Intelligent noise reduction techniques keep chroma and luminance noise to a minimum, while maintaining colour balance, but never take control of the overall image quality away from the photographer. The architecture of the new 16.1MP APS-H CMOS sensor, featuring gapless microlenses with less surrounding circuitry and more sensitive, high-capacity photodiodes, also ensures that all available light is used as efficiently as possible to maximise ISO performance in low light conditions.
Built for extreme use – robust, weatherproof and portable
Light for its category, the EOS-1D Mark IV features a full magnesium alloy body, providing protection against knocks and bumps. The EOS-1D Mark IV has also been the subject of some subtle ergonomic redesigns, with the buttons reshaped and given a more defined ‘click’ when pressed, to make life easier for photographers operating in more extreme weather conditions where gloves may be necessary
The EOS-1D Mark IV is protected by a total of 76 rubber seals fitted around the controls and cover seams, making the Canon EOS-1D Mark IV dust and water resistant when used in tandem with Canon’s range of weather-resistant EF lenses and Speedlite EX flash units.
The 920,000 dot, VGA resolution, Clear View II LCD makes it easy to instantly review images and video in the most challenging conditions. By filling the gap between the LCD panel and the protective cover screen with a photo-elastic material, Canon has been able to reduce light reflection, resulting in the clear display of images. The previously acrylic cover has also been replaced by reinforced glass, providing strong, scratch-resistant protection for the screen.
Also, the EOS-1D Mark IV features the EOS integrated cleaning system, which automatically eliminates dust on the sensor – ensuring reliable image quality when shooting in testing outdoor environments.
Cinematic, High Definition video
In addition to providing high-quality still image performance, the Canon EOS-1D Mark IV features EOS Movie function, providing the ability to capture 1080p High Definition (HD) video at 30, 25 and 24fps and 720p footage at 60 and 50fps. As well as complete compatibility with PAL, NTSC and native 1080/24p cinematic frame rates, the EOS-1D Mark IV offers full manual exposure, providing film makers and photographers with control over depth of field.
The EOS-1D Mark IV features a programmable button to enable quick movie shooting, allowing photographers to record HD video instantly at the touch of a single button. The EOS-1D Mark IV also features a mini HDMI output, enabling video and images to be viewed directly on compatible HD-ready TVs.
<strong>Advanced customisation </strong>
Canon’s EOS-1D Mark IV is highly customisable, allowing photographers to take complete control of the camera’s features. Auto Exposure (AE) and Flash Exposure (FE) micro-adjustments allow photographers to fine tune the exposure for any given purpose, enabling them to perfectly match two separate cameras for consistent results or simply adjust the settings to meet specific personal requirements and tastes.
Preferred user profiles can also be stored to memory card and subsequently transferred to other EOS-1D Mark IV bodies, so that photographers can seamlessly transfer their profile to another body if required.
Further customisable features include the ability to add copyright information directly in the camera. This enables photographers to embed their details within each shot as standard, removing the need for retrospective data insertion, and allowing news photographers to get shots to picture desks in the shortest time possible.
An integrated microphone also allows the recording of audio notes to accompany each image, which will directly benefit photographers who wish to keep a record of the content of each image as they shoot.
The EOS-1D Mark IV is compatible with all existing EOS-1D Mark III accessories, EF lenses (excluding EF-S lenses) and EX Series Speedlite flash units. Untethered shooting and image transfer are available with the optional Wireless File Transmitter WFT-E2 II. New EOS-1D Mark IV accessories will also be backwards compatible with EOS-1D Mark III bodies, subject to a firmware upgrade
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<strong><em>Question by Emma Smith</em>: What canon scanners would you recommend?</strong>
I am a fan of canon and canon scanners as I previously had one that I really liked. But now I am looking for new canon scanners.
I want some of your suggestions on what canon scanners are good and what I should choose. I want the canon scanners to have good scanning quality and not be too expensive.
Hope you guys have some recommendations for some good canon scanners. Thanks in advance.
<strong>Best answer:</strong>
<em>Answer by Dan Mendes</em>
I belive a lot of people in here would recommend the Canon CanoScan 8800F (check link below). This is an outstanding scanner with outstanding quality. It also allows you to scan negatives in an excellent way.
And it looks very cool, in my opinion they could have charged much more for this scanner as it at a level above other canon scanners at this price range. You cant go wrong with it.
<strong>What do you think? Answer below!</strong>
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<strong><em>Question by KOBE</em>: What is the warranty policy for canon and amazon?</strong>
I ordered my Canon Rebel t2i last week and last night i had unfortunately dropped it on my carpet. The camera seems to be fine but the kit lens (18-55mm) Autofocus stopped working.
I know i receive a 1 year warranty from canon, but will my lens be accepted?
And anyone know the exchange/refund policy for amazon?
<strong>Best answer:</strong>
<em>Answer by Jim A</em>
No. Warranty is for factory mistakes not yours. This one will cost you to replace or repair and for the neck strap you should have been using.
<strong>What do you think? Answer below!</strong>
<strong>Canon 7D test</strong>
<img src="http://farm3.static.flickr.com/2539/3916615714_244908ffb4.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/30236399@N00/3916615714">Andreas H. Lunde</a></em>
JPG´s straight out of the new Canon 7D. Shot with a pre-production camera.
<strong>My Beautiful Canon and me</strong>
<img src="http://farm3.static.flickr.com/2120/2307550433_cf1448f6d1.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/74876995@N00/2307550433">Landersz</a></em>
i know i still no nothing about how to use,or any technical details for that matter, but seriously, this Canon TOTALLY FREAKING ROCKS!!!!!!!!!!!!!!
I took advantage of the sun today at lunch time, and then in the afternoon to take some pics... and i just couldnt stop clicking away... im in love with this camera!!!!!
i cant wait to learn on how to properly use it :)
Oggi ho aprofittato del sole per provare la mia nuova Canon, e vi dico... è stupenda!!!!! ancora non so niente di come si usa, ma quel poco che ho scoperto... non voglio piu smettere di fare le foto :)
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<strong>Illness takes toll on Canon-McMillan wrestlers</strong>
With four Canon-McMillan starters out of the lineup because of illness, the Tri-County tournament team title at Charleroi is up for grabs.
<em>Read more on <a rel="nofollow" href="http://www.pittsburghlive.com/x/pittsburghtrib/sports/highschool/wrestling/s_718337.html">Pittsburgh Tribune-Review</a>
</em>
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[wprebay kw="canon" num="42" ebcat="-1"] [wprebay kw="canon" num="43" ebcat="-1"]
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This is an arrangement of Pachelbel's Canon in D for solo piano. Update: This arrangement is written by Mr. Galloway. If you like this piece you can purchase the sheet music at his homepage www.leegalloway.com
<strong>Video Rating: 4 / 5</strong>
Most popular Canon eBay auctions:
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Some cool Canon images:
<strong>My New Baby "canon 400D''</strong>
<img src="http://farm4.static.flickr.com/3039/2770513786_9317a2a901.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/35295718@N00/2770513786">Alaa Ali / ĻΩooĻΩoo εïз ©</a></em>
i'm in the canon family now :D
thanx dad :$
© ALAA ALI
All photographs and images are the property of ALAA ALI . Permission is required to copy, download or use any photographs or image files.
جميع الصور المعروضة تعتبر ضمن ملكية آلاء علي ، يجب طلب الإذن من صاحبة الصور شخصياً قبل تحميل أو نسخ أو استخدام أياً من هذه الصور على الإطلاق
<strong>Bokeh Test - Canon 20d with Hasselblad 80mm C T*</strong>
<img src="http://farm2.static.flickr.com/1425/907249880_ed354ffcdc.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/49502995879@N01/907249880">shutupyourface</a></em>
Quick test using the Canon EOS to Hasselblad lens convertor. Nice round diaphragm compared to the 5 sided penatgon bokeh of the 50mm F1.8. Will try a few more shots tomorrow in daylight.
The reason for the blurred outer layer is that these are faerie lights with a woven outer ball which becomes a blurred out layer when out of focus.
And also recently founded one cute tweet about <a href="{url}">Canon</a>:
<strong>Canon</strong> is really perfect, I want to buy the Nikon D-90 RT <a href="http://twitter.com/anaPHX">@anaPHX</a> So I am now saving money for a <strong>Canon</strong> EOS...
Thanks, <a href="http://twitter.com/m_shinodaBR">m_shinodaBR (Michael K. Shinoda)!</a>
by <a href="http://www.flickr.com/photos/93736151@N00/3805151750">Sidereal</a></div>
<strong>Powershot S3 and Powershot S5 – Two Generations of Ulta-zoom Cameras by Canon</strong>
S3 and S5 - Two Generations of Ulta-Zoom Cameras by Canon
In common practice, the comparative test aims at distinguishing the advantages of one producer over another within one and the same price category and functional group. That is why models by different producers representing the same section of the market are taken for observation. Canon cameras are usually compared with their group-mates from Panasonic, Sony or Nikon. But we at DigiCamFriends.com have agreed to take another way and get to know what obvious innovations may be found in the Canon PowerShot S5 IS (hereafter, Canon S5) in comparison with the Canon PowerShot S3 IS (hereafter, Canon S3) that used to be extremely popular.
Let's imagine we know nothing about new features developed by Canon for the new model S5 that appeared after the Canon S3:
Physical view
Canon models of S - series, being different from another Canon PowerShot "subclass" (that is models of A-series), are characterized as "amateurish" but with some skills of "professional". This is for report or art-report shooting, but not for the motionless photos, something like "a tree and me" type. From this point of view both models have a very handy design.
In fact physical view of the camera has not been changed, except first- the enlarging of the movable screen from 2 to 2.5 inches and second- the replacement of one of the control buttons. And while the latter novelty hardly seems to be pleasant, the first one fits quite natural- it's become more convenient to take photos with a larger screen.
Pic.1: Canon PowerShot S3 IS and PowerShot S5 IS; front.
Pic.2: Canon PowerShot S3 IS and PowerShot S5 IS; rear.
Pic.3: Canon PowerShot S3 IS and PowerShot S5 IS; movable screens.
Optics
The cameras have the same lens construction type with identical settings (the market interpretation of the term construction - the quantity of the optical elements and it's groups). Unfortunately, there was no information found on the manufacturer's Web-site mentioning that these lenses are identical; so I won't insist on theoretical view point, but make a display with some photo examples.
Example 1 : Shots with max. depth of field (the aperture priority mode, the shutter is closed down; Flash is on; ISO80 sensitivity; the white balance - "Flash"). The distance between the objects is about 15-25 cm. Auto focus on the handle of the cup. On the left is a shot taken by the Canon S3, on the right, by the Canon S5.
Example 2 : Shots with min. depth of field (the aperture priority mode, the shutter is absolutely open; Flash is on; ISO80 sensitivity; the white balance - "Flash"). The distance between the objects- about 15-25 cm. Auto focus on the handle of the cup. On the left is a shot taken by the Canon S3, on the right, by the Canon S5.
These cameras are recognized among the majority of digital cameras for equally good color reproduction and quick focusing on the objects, even if they are trying to escape from your camera.
Example 3: Focus on objects moving to and fro with 12x optical zoom in. On the left, a shot taken by the Canon S3, on the right, by the Canon S5.
It doesn't make much sense if we start making a display of numerous examples of similarities between these cameras. We'll stop making trivial comparisons of their features and proceed to noting peculiar and individual characteristics discovered during the experiments.
The Imperfectness of the Lens
Practical optics has very little in common with the geometrical sums in the physics lessons that students solve while learning about cameras as a kind of equipment. But however accurate the calculations may be, even the most carefully developed ( and rather expensive) model of the lens is not completely perfect. For example, there can be chromatic aberrations, when the objects on the image are colorfully haloed. Test results show that both cameras have the same level of chromatic aberrations. Surprisingly, in spite of the progress of the competitors, Canon hasn't manage to overcome this problem when developing the Canon S3 into the Canon S5, even after the evolution within internal toolkit. On the whole, in my point of view, the number of drawbacks of cameras for ultra-zoom class is high.
Example 4 : chromatic aberrations are the colourful halos around the bridge footing. This example also displays the difference of the sharpness of the objects in the photo taken by different cameras, but we'll discuss it later. At the top is the whole shot with the testing
area highlighted. On the left is a shot taken by the Canon S3, on the right, by the Canon S5. For both cameras we set semi-auto "Landscape" mode with completely closed aperture, 12x optical zoom in.
Shooting Close-ups - Macro modes
Macro-shooting is not an easy task for a camera, designed as the "the mater of landscape photography". The technical characteristics for shooting bugs and spiders are just opposite of those for shooting sun-sets and mountain landscape. There are numerous items that can be
evaluated to identify the macro capacity of the camera. In particular, there is a famous test based upon not simply measuring the distance from the lens surface necessary for focusing, but making a photo of a small object wthin the whole shot. The smaller the object, the higher degree of macro capacity of your camera has.
We agreed to experiment upon the monetary unit of our country - coins of different values.
For both the Canon S3 and the Canon S5, macro-shooting is available in two different modes: "macro" and "super-macro". We had expected to get the similar results, but it turned out that, with the Canon S5, the borderline between these modes suffers influence of its predecessor. While "macro" mode of the Canon S3 enables you to take a photo of 5 coins, that enlargement is not enough for the Canon S5 for it's limit is 6 coins (shooting of 5 coins requires "super-macro" mode).
Example 5: On the left, a shot taken by the Canon S3; on the right, by the Canon S5.
After experimenting at length with "super-macro" mode we managed to take the image of a single coin. By the way, the coin is 15.5 mm in diameter. Unfortunately, this test can't be characterized as complete. It might be possible to take photos of much smaller objects on the whole screen provided there is extra lighting ( the cover around the lens prevented the addition of more light:in fact the lens was resting on the object; we had to build up a flash reflector, manually-set ISO200 sensitivity, and at last lighten the image with an image editor program.
Example 6: "Super-macro" mode. On the left, a shot taken by the Canon S3, on the right, by the Canon S5. The lack of light forced us to set the sensitivity to a high ISO level, and the bright halo around the coin is nothing but a flash, spread all over the tightly-stretched piece of white paper.
Sensor and ISO speed
Both cameras have sensors of 1/2.5' size, the number of effective pixels (pixel value) is 6 - 8 megapixels. Nowadays 8 megapixels for that type of sensor seem to be the limit (A greater number is quite possible, though it might be not economically feasible).
An important characteristic of digital camera, referring to its sensor, is ISO speed. The manufacturer gives the ISO speed scale from 80 to 800 for the Canon S3 and up to 1600 for the Canon S5. Let's experiment to evaluate data in low light condition.
Example 7: ISO80 speed. At the top is the whole shot with the testing area highlighted. On the left is a shot taken by the Canon S3, on the right, by the the Canon S5 (shutter speed priority mode, external light; for better observation the highlighted areas are enlarged in an image editor).
Example 8: ISO100 speed. At the top is the whole shot with the testing area highlighted. On the left is a shot taken by the Canon S3, on the right - by the Canon S5 (shutter speed priority mode, external light; for better observation the highlighted areas are enlarged in an image editor).
Example 9: ISO200 speed. On the left is a shot taken by the Canon S3, on the right, by the Canon S5 (shutter speed priority mode, external light; for better observation the highlighted areas are enlarged in an image editor).
From the examples above we may see that an ISO speed within 80- 200 scale makes good results for both cameras, although the results with the higher ISO speeds are not so clear.
Example 10: ISO400 speed. Same cameras and same conditions as above.
Example 11: ISO800 speed. Same cameras and same conditions as above.
While shooting with ISO400 sensitivity gives equally good results, the setting of ISO800 sensitivity enables the new internal algorithm of noise reduction in the Canon S5 to come into play (Heaven knows how it happens - either via auto or programmed mode). As for ISO1600 sensitivity, it is absolutely useless; even the above mentioned noise reduction mechanism doesn't cope with the noises. Though the manufacturer doesn't hold this option back from customers.
Example 12: ISO1600 speed of the Canon S5. The same image patch, as in the previous examples (the shutter speed priority mode, external light; for better observation the marked out areas are enlarged in image editor).
By the way, during the experiments with ISO speed, another peculiar feature of both cameras had been noticed. They manage to operate the white balance mode equally good, except when the white balance mode should be set manually at high ISO speed (800 and 1600). The noises of the sensor seem to appear in the program accepted averaged color, that is white.
It is not a great obstacle to overcome for usually the candlelight is used at such a high ISO speed (the dim light of a table-lamp and dingy street-lamps, for example) and you may choose the appropriate manual setting. Still, it is strange why such an imperfect algorithm inherited from its predecessor didn't go through any changes.
Focusing on the distant objects
It has already been mentioned (discussing chromatic aberrations) that we get different results when focusing on distant object by Canon S3 and Canon S5. To check the fact we shot a series of landscape images with 12x optical zoom in. The semi-auto "landscape" mode was set to provide completely closed aperture along with the other auto-set characteristics (in other words to realize the greatest possible depth of field). To meet the non-stop character of the experiment, the test shots were taken at once without choosing the object to focus on but as soon as the camera informs that its ready to shoot (as soon as it has focused on). In addition, to avoid different views of nature by the cameras, we set "Spot focus" mode. Let me show you the effect referring to the series of shots of a TV tower.
Example 13: Focusing on distant objects with 12x optical zoom in ( "Landscape" mode, "Spot focus" mode). At the top is the shot of the landscape without enlargement; in the middle- the same landscape with 12x optical zoom in (with highlighted testing area). At the bottom to the left is the image by the Canon S3, at the bottom to the right, the image by the Canon S5 (both shots have been enlarged in an image editor).
The results show the pre-eminence of the Canon S5 working in auto focus mode. Probably, the Canon S3 might have shown not as bad results, if it were used in manual focus mode, but then it would break the conditions of the experiment.
Toolkit
"Sharpness" is available for both cameras, being called "Rezkost" in Russian texts. It attracted most attention among the other settings, because in a way it may be regarded as the equivalent of the internal noise reduction option (it doesn't reduce the noise but highlight the edges, that make impression of a high-quality shot). To test that no changes had been made within the algorithm, we took a number of shots with 400ISO speed (the noises are already conspicuous, but they do not prevail).
Example 14: Internal algorithm of increasing "Sharpness" for the Canon S3 and the Canon S5. At the top the photo with highlighted testing area. In the middle, a shot to the left, taken by the Canon S3 without increasing sharpness, a shot to the right, taken by the Canon S3 at a "high" level of "Sharpness". In the row below the same operations with the Canon S5.
Based upon the examples above, we may say that this algorithm as well didn't go through great changes: such a "delicate" way of increasing sharpness with a few artifacts left. It seems as though the manufacturer had not intended to update toolkit for a new model.
The algorithms of compression
It's a pity, but neither of the cameras deals with RAW files (despite the Canon S5 sporting a new feature which is characteristic of a professional camera; that is, the flash hot shoe for external flash); all the image files are saved in JPEG format with various degree of resolution and compression (both are manually set). To compare the internal algorithms of compression we shot 2 series of photos in "Landscape" mode (to provide the best depth of field on the small far details). The center of the shot had been taken for the testing area to eliminate possibly the influence of the imperfect optics; all the changes were made in BMP format in order to make JPEG artifacts more conspicuous, and at the same time, not to add any extra while preparing shots for publishing; all the image patches were enlarged in the end.
Example 15: The comparison of the internal algorithms of compression for the Canon S3 and the Canon S5. At the top- the photo with highlighted testing area. The shots with the increasing degrees of compression follow below. On the left are the shots taken by the Canon S3, on the right, by the Canon S5.
The above examples display that the Canon S5 inherits from its predecessor the Canon S3 the visual effect of compression even for the high-quality images. I would recommend either increasing the super- quality of JPEGs (by any possible way) or contribute RAW- format (TIFF/ BMP- any of the formats that compresses without faults); the cameras really suffer from the lack of one!
Features
Among the pleasant innovations for Canon S5, such have been noticed (though not checked):
* extensive work with the same set of batteries (170 shots in stead of 110 - according to the results of the standard test by the manufacturer);
* a hot shoe and sync-contact for external flash.
Summing up
After practical work with both cameras, we at DigiCamFriends.com may conclude that some changes indeed have been made for the new model. This can be observed in such operations as focus on distant objects with high optical zoom or with high ISO speed. These new features helped to correct utter drawbacks found in the Canon S3, in comparison with the success of the similar pairs of cameras by other manufactures. The question is would you agree to pay for these innovations?
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<em> © 2008, Imyaz Familik, <a onclick="javascript:_gaq.push(['_trackPageview', '/outgoing/article_exit_link']);" rel="nofollow" href="http://www.digicamfriends.com">DigiCamFriends.com</a></em>
Imyaz Familik is the expert of <a onclick="javascript:_gaq.push(['_trackPageview', '/outgoing/article_exit_link']);" rel="nofollow" href="http://www.digicamfriends.com">DigiCamFriends.com</a>
Article from <a href="http://www.articlesbase.com/electronics-articles/powershot-s3-and-powershot-s5-two-generations-of-ultazoom-cameras-by-canon-393527.html">articlesbase.com</a>
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canon in c major...
<strong>Video Rating: 4 / 5</strong>
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</ul>
Fully Compatible with SDA 2.0 specification. Suitable for SDHC compliant devices, MLC flash chip with High Speed transfer rate. Perfect for highend digital devices. Please make sure your device can support SDHC format before you purchase! SDHC host devices can use both SD and SDHC memory cards.Transcend and Amazon.com have teamed up to offer this item in Amazon Frustration-Free Packaging, a recyclable, easy-to-open alternative to traditional packaging. A Frustration-Free Package comes without ex
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<strong>Price: $ 6.75</strong>
<h3><a rel="nofollow" href="http://www.amazon.com/Canon-55-250mm-4-0-5-6-Telephoto-Digital/dp/B0011NVMO8%3FSubscriptionId%3DAKIAJRLSMUNQNZY5PDIA%26tag%3Dhdre000-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB0011NVMO8">Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras</a></h3>
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<ul>
<li>Focal Length & Maximum Aperture: 55-250mm F/4-5.6</li>
<li>12 Elements In 10 Groups, Including One UD-glass Element</li>
<li>Focus Adjustment: DC Motor, Gear-driven(front Focusing Design)</li>
<li>Closest Focusing Distance: 3.6 Ft./1.1m</li>
</ul>
This telephoto zoom lens is designed with Canon's Optical Image Stabilizer technology while retaining compactness and lightness, in response to demands of photographers. This high zoom ratio lens is equivalent to a focal length of 88-400mm in the 35mm format (when used on Canon EOS cameras compatible with EF-S lenses), and the image stabilizer effect equivalent to a shutter speed about 4 stops faster than the same size lens without Image Stabilizer. In other words, if the slowest shutter speed y
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List Price: $ 299.99
<strong>Price: $ 299.99</strong>
<h3><a rel="nofollow" href="http://www.amazon.com/Canon-PowerShot-SD1400IS-Stabilized-Silver/dp/B0035FZJJE%3FSubscriptionId%3DAKIAJRLSMUNQNZY5PDIA%26tag%3Dhdre000-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB0035FZJJE">Canon PowerShot SD1400IS 14.1 MP Digital Camera with 4x Wide Angle Optical Image Stabilized Zoom and 2.7-Inch LCD (Silver)</a></h3>
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<ul>
<li>14.1-megapixel resolution; 2.7-inch PureColor System LCD</li>
<li>28mm wide-angle lens; 4x optical zoom and Optical Image Stabilizer</li>
<li>720p HD movie shooting capability plus HDMI output</li>
<li>Smart AUTO intelligently selects from 22 predefined settings</li>
<li>New scene modes such as Miniature Effect and Fisheye Effect; Low Light mode for dimly-lit situations.</li>
</ul>
Shy and modest is so yesterday. Get ready for brilliance that's the center of attention once the PowerShot SD1400 IS Digital ELPH Camera is in your hands. First glance says it all: nothing moves you like the impact of sleek sculpture, especially when it's drenched in the purest, ripest colors. Inside, Canon engineers defy micro-space with big, brilliant innovation. How do they do it? Who cares!
FEATURES: 14.1-megapixel resolution and large, 2.7-inch PureColor System LCD - Canon
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List Price: $ 229.00
<strong>Price: $ 179.00</strong>
[wprebay kw="canon" num="40" ebcat="-1"] [wprebay kw="canon" num="41" ebcat="-1"]
Find More <a href="http://bestcamerasreview.info/category/canon/">Canon Products</a>
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<div style="float: left; margin: 5px; font-size: 80%;"><img src="http://farm3.static.flickr.com/2564/3805151750_e125a9b4a3_m.jpg" alt="Canon" width="160" />
by <a href="http://www.flickr.com/photos/93736151@N00/3805151750">Sidereal</a></div>
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<strong><em>Question by Ms.Matashi</em>: Is there a significant learning different between the Canon Digital Rebel XT and the Canon 40D?</strong>
I plan on renting a Canon 40D sometime at the end of this month. Currently I use a Canon Digital Rebel XT. I was wondering is there a big learning difference between the two camera? What is on the 40D that I have to learn that is not on the digital rebel? I plan on shooting in manual and in raw.
<strong>Best answer:</strong>
<em>Answer by Ali C</em>
Yes!!!
Get the 40D, it is about three classes higher than the XT.
The 40D has image stabilizer in it and the XT doesn't and that will help you out SO much.
<strong>What do you think? Answer below!</strong>
<strong>Meeting the new Canon clan - 1D Mark IV</strong>
<img src="http://farm4.static.flickr.com/3092/4036447509_4f358d4977.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/9852972@N03/4036447509">Axel Bührmann</a></em>
<em><strong>Roadshow previews: </strong> <a rel="nofollow" href="http://www.youtube.com/watch?v=4LYwphC0CSk">here </a>and <a rel="nofollow" href="http://www.youtube.com/watch?v=pGVXqba4BJg">here</a></em>
<strong><a rel="nofollow" href="http://fiveprime.org/blackmagic" target="_blank">It really is <em>much</em> better viewed on black </a>using <a rel="nofollow" href="http://fiveprime.org/hivemind/User/Axel B%c3%bchrmann/Recent" target="_blank">Fiveprime's Black Magic</a></strong>
At a round table discussion with <a rel="nofollow" href="http://www.new.facebook.com/home.php#/profile.php?id=596858568&ref=ts" target="_blank">Canon's Roger Machin</a> today (<a rel="nofollow" href="http://www.youtube.com/watch?v=pGVXqba4BJg" target="_blank">more in-depth detail here</a>); met the new Canon clan - 1D Mark IV and new lenses (that 100m macro is something else - fast zoom, light and crisp).
Then there's the EOS 7D, which I have my pecuniarily-challenged eye on.
There is also a piece on how Canon is pushing<a rel="nofollow" href="http://www.youtube.com/watch?v=4LYwphC0CSk" target="_blank"> the 7D megapixel boundaries here</a>
<strong><strong>Here's the </strong>EOS-1D Mark IV <strong>press release</strong></strong>
Canon SA has announced the EOS-1D Mark IV – a high-speed, professional Digital SLR (DSLR) camera designed to empower photographers to capture split-second moments in high resolution, under the most challenging of conditions.
The EOS-1D Mark IV has been designed for shooting action, sports, news events and wildlife photography, delivering the necessary speed, power and high-resolution images required by photographers in fast-paced, high-pressure situations.
Developed incorporating feedback from professional photographers, the EOS-1D Mark IV features a new Canon 16.1MP APS-H CMOS sensor and a brand new 45-point Auto Focus (AF) system with 39 f/2.8 sensitive cross-type points, providing a wide selection of precise focus areas across the frame.
Additionally, dual “DIGIC 4” processors provide the power to shoot continuous, high-resolution images at up to 10 frames per second (fps), as well as delivering the widest ISO range ever to feature in a Canon camera.
<strong>The Canon EOS-1 Mark IV offers the following features: </strong>
•New 16.1 Megapixel APS-H CMOS sensor
•10 frames per second continuous shooting
•Up to 121 large JPEG images in a single burst
•New 45-point wide area AF with 39 cross-type sensors with f/2.8 sensitivity
•High-speed Dual “DIGIC 4” processors for superb image quality
•12,800 high ISO expandable up to 102,400
•Full HD movie recording at 30, 25 and 24 frames per second
•3.0‛ Clear View II LCD with Live View mode
•Durable dust and water resistant body with 76 rubber seals
•Compatible with all Canon EF lenses, and Speedlite EX flashes
•Also available - new EOS-1D Mark IV Wireless Transmitter WFT-E2 II (also compatible with existing Wireless File Transmitter WFT-E2)
Comments <a rel="nofollow" href="http://www.new.facebook.com/home.php#/profile.php?id=596858568&ref=ts" target="_blank">Roger Machin, photo/video product manager at Canon Consumer Imaging SA</a>: “The EOS-1D Mark IV has been developed with the specific needs of photographers in mind. We’ve taken the feedback of photographers to heart and as a result produced a Digital SLR tailored to their exact requirements. The EOS-1D Mark IV is packed with advanced features that enable photographers to take high-quality images quickly and accurately.”
<strong>Highly sensitive, cross-type focusing – capture every detail at speed </strong>
The Canon EOS-1D Mark IV’s new 45-point AF system, with 39 f/2.8 sensitive cross-type points located across the frame, provides consistent AF on static or moving subjects, no matter which AF point is being used. All 45 AF points are user selectable and now more sensitive, with the AF points towards the edge of the frame offering identical levels of performance to those in the centre.
The entire AF system is managed by a dedicated microprocessor, providing fast, accurate focusing – even when shooting continuously at 10fps. Canon’s newly-evolved AI Servo II AF offers more precision when tracking moving objects, utilising the power provided by the dedicated microprocessor to improve overall tracking accuracy and increasing focus reliability in low-contrast and extremely bright conditions.
Additionally, to provide increased flexibility, a vast range of manual and automatic AF control options are available including - with lenses featuring an AF Stop button - Canon’s new Spot AF feature. Spot AF offers a more precise focus area to meet the needs of photographers that require pinpoint focusing. A 63-zone metering system enables the use of multiple metering modes, with the dedicated sensor linked to the 45 AF points, providing AF point-linked and multiple spot metering options.
The EOS-1D Mark IV also features orientation-linked AF points, an orientation sensor controlled feature that enables photographers to store separate AF points for different camera positions. Covering both horizontal and vertical shooting positions (both grip up and grip down), orientation linked AF points offers the flexibility to quickly change camera orientation when shooting with the AF settings switching to suit the subject. AF point registration enables the photographer to store an alternate AF point that can be used at the touch of a button.
<strong>The power and performance of Dual “DIGIC 4” and CMOS </strong>
The combination of a custom-designed, high resolution 16.1MP APS-H CMOS sensor and Dual “DIGIC 4” processors ensures that detailed, crisp images are delivered at high speeds.
The inclusion of an APS-H sensor combines a high pixel-count with an effective field of view measuring 1.3x the focal length of the lens. This provides immediate benefits for sports, news and wildlife photojournalists, who operate on-the-move and need to get closer to their subjects and maintain fast apertures without resorting to longer focal-length lenses – which are typically heavier.
Continuous shooting is facilitated by the sensor’s eight-channel data read out, which provides a rapid read sequence and makes full use of the Dual “DIGIC 4” processors to enable high-speed 10fps shooting at full 16.1MP resolution, while maintaining image colours through 14-bit analogue to digital (A/D) conversion.
The ability to shoot images at 10fps, without any drop in resolution, means the EOS-1D Mark IV features the fastest continuous shooting with Auto Focus currently available from a Canon DSLR. The increased processing capacity of Dual “DIGIC 4”processors manages the increased data created by the 60% rise in image resolution, while still enabling the EOS-1D Mark IV to deliver a continuous burst of up to 121 large JPEGS, or 28 RAW images using a UDMA 6 card – ideal for fast-moving sporting action or news events where scenes are unfolding quickly.
The EOS-1D Mark IV also includes updated Picture Styles and the first ever integration of ALO (Auto Lighting Optimizer) in a professional EOS body, automatically correcting the contrast and brightness of images as they are recorded.
These features combine to provide a faster workflow for those requiring press-ready images direct from the camera without the need for retouching, enabling photographers to concentrate solely on capturing that once-in-a-lifetime shot.
Full compatibility with the latest UDMA 6 standard Flash memory cards also ensures that image data is rapidly written to the EOS-1D Mark IV’s CF memory card. In addition, the flexibility to also record to a Secure Digital/SDHC memory card allows photographers to keep shooting for longer until they get the shot they need.
<strong>Advanced performance in low-light </strong>
The EOS-1D Mark IV also delivers extreme low-light performance. Standard ISO on the EOS-1D Mark IV ranges from 100-12,800, while extended ISO ranges from a low of 50 to 102,400 – the highest ISO ever offered by a Canon SLR. This extreme low-light performance makes the EOS-1D Mark IV ideal for night shots or shooting at evening events, where the lack of light would normally make shooting impossible.
Intelligent noise reduction techniques keep chroma and luminance noise to a minimum, while maintaining colour balance, but never take control of the overall image quality away from the photographer. The architecture of the new 16.1MP APS-H CMOS sensor, featuring gapless microlenses with less surrounding circuitry and more sensitive, high-capacity photodiodes, also ensures that all available light is used as efficiently as possible to maximise ISO performance in low light conditions.
Built for extreme use – robust, weatherproof and portable
Light for its category, the EOS-1D Mark IV features a full magnesium alloy body, providing protection against knocks and bumps. The EOS-1D Mark IV has also been the subject of some subtle ergonomic redesigns, with the buttons reshaped and given a more defined ‘click’ when pressed, to make life easier for photographers operating in more extreme weather conditions where gloves may be necessary
The EOS-1D Mark IV is protected by a total of 76 rubber seals fitted around the controls and cover seams, making the Canon EOS-1D Mark IV dust and water resistant when used in tandem with Canon’s range of weather-resistant EF lenses and Speedlite EX flash units.
The 920,000 dot, VGA resolution, Clear View II LCD makes it easy to instantly review images and video in the most challenging conditions. By filling the gap between the LCD panel and the protective cover screen with a photo-elastic material, Canon has been able to reduce light reflection, resulting in the clear display of images. The previously acrylic cover has also been replaced by reinforced glass, providing strong, scratch-resistant protection for the screen.
Also, the EOS-1D Mark IV features the EOS integrated cleaning system, which automatically eliminates dust on the sensor – ensuring reliable image quality when shooting in testing outdoor environments.
Cinematic, High Definition video
In addition to providing high-quality still image performance, the Canon EOS-1D Mark IV features EOS Movie function, providing the ability to capture 1080p High Definition (HD) video at 30, 25 and 24fps and 720p footage at 60 and 50fps. As well as complete compatibility with PAL, NTSC and native 1080/24p cinematic frame rates, the EOS-1D Mark IV offers full manual exposure, providing film makers and photographers with control over depth of field.
The EOS-1D Mark IV features a programmable button to enable quick movie shooting, allowing photographers to record HD video instantly at the touch of a single button. The EOS-1D Mark IV also features a mini HDMI output, enabling video and images to be viewed directly on compatible HD-ready TVs.
<strong>Advanced customisation </strong>
Canon’s EOS-1D Mark IV is highly customisable, allowing photographers to take complete control of the camera’s features. Auto Exposure (AE) and Flash Exposure (FE) micro-adjustments allow photographers to fine tune the exposure for any given purpose, enabling them to perfectly match two separate cameras for consistent results or simply adjust the settings to meet specific personal requirements and tastes.
Preferred user profiles can also be stored to memory card and subsequently transferred to other EOS-1D Mark IV bodies, so that photographers can seamlessly transfer their profile to another body if required.
Further customisable features include the ability to add copyright information directly in the camera. This enables photographers to embed their details within each shot as standard, removing the need for retrospective data insertion, and allowing news photographers to get shots to picture desks in the shortest time possible.
An integrated microphone also allows the recording of audio notes to accompany each image, which will directly benefit photographers who wish to keep a record of the content of each image as they shoot.
The EOS-1D Mark IV is compatible with all existing EOS-1D Mark III accessories, EF lenses (excluding EF-S lenses) and EX Series Speedlite flash units. Untethered shooting and image transfer are available with the optional Wireless File Transmitter WFT-E2 II. New EOS-1D Mark IV accessories will also be backwards compatible with EOS-1D Mark III bodies, subject to a firmware upgrade
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<strong><em>Question by Emma Smith</em>: What canon scanners would you recommend?</strong>
I am a fan of canon and canon scanners as I previously had one that I really liked. But now I am looking for new canon scanners.
I want some of your suggestions on what canon scanners are good and what I should choose. I want the canon scanners to have good scanning quality and not be too expensive.
Hope you guys have some recommendations for some good canon scanners. Thanks in advance.
<strong>Best answer:</strong>
<em>Answer by Dan Mendes</em>
I belive a lot of people in here would recommend the Canon CanoScan 8800F (check link below). This is an outstanding scanner with outstanding quality. It also allows you to scan negatives in an excellent way.
And it looks very cool, in my opinion they could have charged much more for this scanner as it at a level above other canon scanners at this price range. You cant go wrong with it.
<strong>What do you think? Answer below!</strong>
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<strong><em>Question by KOBE</em>: What is the warranty policy for canon and amazon?</strong>
I ordered my Canon Rebel t2i last week and last night i had unfortunately dropped it on my carpet. The camera seems to be fine but the kit lens (18-55mm) Autofocus stopped working.
I know i receive a 1 year warranty from canon, but will my lens be accepted?
And anyone know the exchange/refund policy for amazon?
<strong>Best answer:</strong>
<em>Answer by Jim A</em>
No. Warranty is for factory mistakes not yours. This one will cost you to replace or repair and for the neck strap you should have been using.
<strong>What do you think? Answer below!</strong>
<strong>Canon 7D test</strong>
<img src="http://farm3.static.flickr.com/2539/3916615714_244908ffb4.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/30236399@N00/3916615714">Andreas H. Lunde</a></em>
JPG´s straight out of the new Canon 7D. Shot with a pre-production camera.
<strong>My Beautiful Canon and me</strong>
<img src="http://farm3.static.flickr.com/2120/2307550433_cf1448f6d1.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/74876995@N00/2307550433">Landersz</a></em>
i know i still no nothing about how to use,or any technical details for that matter, but seriously, this Canon TOTALLY FREAKING ROCKS!!!!!!!!!!!!!!
I took advantage of the sun today at lunch time, and then in the afternoon to take some pics... and i just couldnt stop clicking away... im in love with this camera!!!!!
i cant wait to learn on how to properly use it :)
Oggi ho aprofittato del sole per provare la mia nuova Canon, e vi dico... è stupenda!!!!! ancora non so niente di come si usa, ma quel poco che ho scoperto... non voglio piu smettere di fare le foto :)
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<strong>Illness takes toll on Canon-McMillan wrestlers</strong>
With four Canon-McMillan starters out of the lineup because of illness, the Tri-County tournament team title at Charleroi is up for grabs.
<em>Read more on <a rel="nofollow" href="http://www.pittsburghlive.com/x/pittsburghtrib/sports/highschool/wrestling/s_718337.html">Pittsburgh Tribune-Review</a>
</em>
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[wprebay kw="canon" num="42" ebcat="-1"] [wprebay kw="canon" num="43" ebcat="-1"]
[wprebay kw="canon" num="44" ebcat="-1"] [wprebay kw="canon" num="45" ebcat="-1"]
[wprebay kw="canon" num="46" ebcat="-1"] [wprebay kw="canon" num="47" ebcat="-1"]
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<div style="float: left; margin: 5px;"><img src="http://i.ytimg.com/vi/ABBzejbplVQ/default.jpg" alt="" /></div>
This is an arrangement of Pachelbel's Canon in D for solo piano. Update: This arrangement is written by Mr. Galloway. If you like this piece you can purchase the sheet music at his homepage www.leegalloway.com
<strong>Video Rating: 4 / 5</strong>
Most popular Canon eBay auctions:
[wprebay kw="canon" num="48" ebcat="-1"]
[wprebay kw="canon" num="49" ebcat="-1"]
Some cool Canon images:
<strong>My New Baby "canon 400D''</strong>
<img src="http://farm4.static.flickr.com/3039/2770513786_9317a2a901.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/35295718@N00/2770513786">Alaa Ali / ĻΩooĻΩoo εïз ©</a></em>
i'm in the canon family now :D
thanx dad :$
© ALAA ALI
All photographs and images are the property of ALAA ALI . Permission is required to copy, download or use any photographs or image files.
جميع الصور المعروضة تعتبر ضمن ملكية آلاء علي ، يجب طلب الإذن من صاحبة الصور شخصياً قبل تحميل أو نسخ أو استخدام أياً من هذه الصور على الإطلاق
<strong>Bokeh Test - Canon 20d with Hasselblad 80mm C T*</strong>
<img src="http://farm2.static.flickr.com/1425/907249880_ed354ffcdc.jpg" alt="Canon" width="400" />
<em>Image by <a href="http://www.flickr.com/photos/49502995879@N01/907249880">shutupyourface</a></em>
Quick test using the Canon EOS to Hasselblad lens convertor. Nice round diaphragm compared to the 5 sided penatgon bokeh of the 50mm F1.8. Will try a few more shots tomorrow in daylight.
The reason for the blurred outer layer is that these are faerie lights with a woven outer ball which becomes a blurred out layer when out of focus.
And also recently founded one cute tweet about <a href="{url}">Canon</a>:
<strong>Canon</strong> is really perfect, I want to buy the Nikon D-90 RT <a href="http://twitter.com/anaPHX">@anaPHX</a> So I am now saving money for a <strong>Canon</strong> EOS...
Thanks, <a href="http://twitter.com/m_shinodaBR">m_shinodaBR (Michael K. Shinoda)!</a>
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