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Forum: Pentax SLR Lens Discussion
10-16-2013, 02:41 PM
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HI PENTAXIAN,
Just wondering if you all can help me to get more clear understanding about this.
if i put 645 lens let say 120mm f4 macro to my k10D, do i get about 120mm x 1.7 (full frame crop factor) x 1.5 (full frame to crop sensor ) = 306mm focal length equivalent?
how about the f stop, close focus range and magnification, do they also multiply by 2.55?
thanks for all your help.
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Forum: Lens Clubs
02-01-2015, 01:34 AM
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Just test the legendary lens Pentax A 645 120mm F4 Macro, natural light.
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Forum: Pentax K-3 Photo Contest
05-25-2014, 12:49 AM
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1964-2009 45 Years Service To The Nation.
Love The Sky Effect.
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