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Forum: Pentax Lens Articles 12-18-2011, 06:53 PM  
Sticky: DA lenses on Full Frame: Test Shots thread
Posted By drougge
Replies: 523
Views: 445,776
Correct, but I just know someone is going to conclude it will work fine on APS-H from those shots, and I doubt it actually will.
Forum: Pentax Lens Articles 12-17-2011, 05:22 PM  
Sticky: DA lenses on Full Frame: Test Shots thread
Posted By drougge
Replies: 523
Views: 445,776
It's worth noting (again) that the DA*50-135 has a smaller image circle somewhere in the middle than in the tested extremes. (Smallest around 70mm IIRC.)
Forum: Pentax Lens Articles 10-29-2011, 06:07 AM  
Sticky: DA lenses on Full Frame: Test Shots thread
Posted By drougge
Replies: 523
Views: 445,776
I've tried putting my 50-135 on my MZ-S (92% finder). Wide open I see obvious corner darkening up to about 90mm, stopping down to f/22 I see corner darkening throughout the range. Worst around 65mm, best at 135mm. (And yes, I did remember to remove the hood.)

Tests on film might tell us if it's good enough on APS-H. (I'm not planning on doing that test though.)
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