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1.4/50mm PK comparison: CHINON, COSINA, ASAHI, RICOH
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PostPosted: Fri Jul 13, 2012 6:15 pm    Post subject: 1.4/50mm PK comparison: CHINON, COSINA, ASAHI, RICOH Reply with quote

Fast simple comparison with counterlight. All wide open, all 1/320s at ISO 100 & Pentax K10D.
Made few shots with each so i could select best photo (in focus). Lenses healthy and clean.
Though all finished in few minutes there was some difference in background light.
At first sight no strong and decisive difference i dare saying.

RICOH XR Rikenon

ASAHI Pentax-M SMC

CHINON (Revuenon)

COSINA COSINON

COSINA PORST


PostPosted: Fri Jul 13, 2012 9:00 pm    Post subject: Reply with quote

Pentax wins here. The tube is the perfect subject, there are clear differences in the borders. Bokeh is pretty much all the same.