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Lens Diffraction
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<blockquote data-quote="WayneF" data-source="post: 422888" data-attributes="member: 12496"><p>DOF certainly is small at macro, but your NUMBERS are the abstract thing in this case. Founded on vague assumptions, like CoC approximations (just someone's notion), and enlargement and viewing size (variables), and even that a 105mm lens is 105mm at 1:1 (it ain't). The real world result is the important thing.</p><p></p><p>See the two pictures referenced just above.</p></blockquote><p></p>
[QUOTE="WayneF, post: 422888, member: 12496"] DOF certainly is small at macro, but your NUMBERS are the abstract thing in this case. Founded on vague assumptions, like CoC approximations (just someone's notion), and enlargement and viewing size (variables), and even that a 105mm lens is 105mm at 1:1 (it ain't). The real world result is the important thing. See the two pictures referenced just above. [/QUOTE]
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