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Forum: Pentax K-S1 & K-S2 05-27-2017, 02:38 AM  
K-S1 + AF Fine Adjustment + Sigma
Posted By Unregistered User 8
Replies: 9
Views: 1,601
Thanks for posting your testing method Nikolay. From the information you supplied, I think there is a problem. With those lens settings and camera to subject distance, the Depth Of Field is almost 32 meters. Here is a screenshot from a DOF calculator to check your information and also a link to the forum Fixing Focus tutorial. You may need to re-do your testing with a different method. Good luck.:)


Fixing Front and Back Focus - Introduction - In-Depth Articles
Forum: Pentax K-S1 & K-S2 05-26-2017, 11:26 PM  
K-S1 + AF Fine Adjustment + Sigma
Posted By Unregistered User 8
Replies: 9
Views: 1,601
Hi Nikolay, how are you testing your AF? Please tell us your set-up for testing. Your target, distance from target, lighting etc. :)
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