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| 07-05-2012, 11:37 PM | #16 |
 Originally posted by sterretje  Which calculator did you use? ^The above. Seems accurate on my other lenses. Perhaps this...circle of confusion? variable has something to do with it. | |
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| 70-300mm, af, approx, f4-5.6, k-mount, lens, macro, pentax lens, slr lens |
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