What does an 18 - 50 mm lens mean? Are those numbers the first focal length and second focal length? How do you use this parameter to judge what kind of lens to buy? Does more equal better?
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Why is the front element of a telephoto lens larger than a wide angle lens?
A wide angle lens has a wide angle of view, therefore it would make sense that the front of the lens would also be wide. A telephoto lens ha...
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If you look at a source like Library of Congress royalty free gallery, they go an extra step beyond just dumping a bunch of images, but pro...
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Does anyone know if there is a plugin available for the GIMP that will let you view and edit all the EXIF information associated with an ima...
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I am looking to build a camera trap for wildlife viewing, able to capture pictures (or even videos) in decent quality to be able to identify...
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So I'm looking at the wikipedia article on Aperture, and I'm a bit confused. I understand aperture to be the diameter of the hole th...
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