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General Photography
Wild Life
Wildlife and Depth of Field
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<blockquote data-quote="hark" data-source="post: 325898" data-attributes="member: 13196"><p>I disagree. f/4 on a 400mm lens will have far less DOF than f/4 on a 28mm lens. On a 200mm lens, the aperture's diameter is 50mm compared with the 28mm aperture diameter of 7mm at f/4. The smaller the diameter of the aperture, the greater the DOF. That's why wide angle lenses tend to have more in focus than telephoto lenses when using the same f-stop.</p></blockquote><p></p>
[QUOTE="hark, post: 325898, member: 13196"] I disagree. f/4 on a 400mm lens will have far less DOF than f/4 on a 28mm lens. On a 200mm lens, the aperture's diameter is 50mm compared with the 28mm aperture diameter of 7mm at f/4. The smaller the diameter of the aperture, the greater the DOF. That's why wide angle lenses tend to have more in focus than telephoto lenses when using the same f-stop. [/QUOTE]
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Wildlife and Depth of Field
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