Eric Hamlin |
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Eos 10D Cropping
Can anyone please explain the cropping on this camera. Also, when the camera crops the photo does it decrease the megapixels down to 3 megapixels?
July 30, 2003
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Jon Close |
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The 10D uses lenses designed for 35mm film. These lenses are designed to fill the 24mm x 36mm frame of film. On the 10D, however, the digital image sensor is smaller than 24mm x 36mm. Hence the image provided is cropped in comparison to 35mm film. It does not affect the megapixel count.
July 31, 2003
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Michael Kaplan |
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The actual term is not crop which may be why there is a bit of confusion. It is actually a Focal Length Multiplier. It is similar to cropping a picture (thus the term crop factor' but it is actually because the sensor is smaller than a 35mm frame, it just sees a smaller angle when shooting thru the same lens as a 35mm. Different cameras have different amounts of compensation to figure out the equivalent coverage of a 35mm lens. The Canon EOS-10D for example is 1.6x the focal length of a 35mm lens so that 50mm lens that so many people have would be 80mm on the Canon. If the sensor is 6MP like on the Canon then you get a 6 MP image. It is just not using the complete lens surface available. This is good for most things but bad in another way. The Good is your telephoto/zoom lenses now have a greater reach. Your 200mm lens is now the equivalent of a 320mm. Also the weakest quality of a lens is the corners and because of the smaller CMOS/CCD imager you do not use as much of the corner so you would find sharper corners on a picture taken with the 10D than if that same lens was on a 35mm film or full frame camera (like the 1Ds). The Negative is your wide angle lenses are now not as wide. Your (or my) 15-30mm wide zoom becomes a 24-48mm equivalent lens. Hope this helps you understand the "crop" factor of the new imagers. There is a wonderful article with examples if you care to read more at the Luminous Landscape site: http://www.luminous-landscape.com/tutorials/understanding-series/dslr-mag.shtml
August 13, 2003
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Jeff Grove |
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How large is the digital image on the Canon 10D?
August 26, 2003
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Jeff Grove |
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I have Canon lenses for my Canon A2 camera. Will they work on the Canon 10D as well?
August 26, 2003
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Michael Kaplan |
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The 10D is a 6.3MP camera. The pics are 3076x2052. Truly an amazing camera for the price. There is also the new model available which is like $400 less called the 300D or Digital Rebel but is lacking some features. The 10D can use any Canon EOS lens.
You can not use the older FD lenses like from old A1.
August 26, 2003
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