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Forum: Pentax Camera and Field Accessories 05-10-2014, 05:10 PM  
Pentax MF Back Focus
Posted By baro-nite
Replies: 9
Views: 1,324
K10D does not offer that feature.
Forum: Pentax Camera and Field Accessories 05-07-2014, 02:08 PM  
Pentax MF Back Focus
Posted By baro-nite
Replies: 9
Views: 1,324
The stock focusing screen shows an image that is more or less equivalent to f/3.5. You might try some tests at that aperture to make it easier to compare what you see in the VF against the captured image.
Forum: Pentax Camera and Field Accessories 05-05-2014, 05:01 PM  
Pentax MF Back Focus
Posted By baro-nite
Replies: 9
Views: 1,324
With my first DSLR (a K10D) I had the same problem you're describing -- when focusing manually, the actual result would be focused farther away than what I saw in the viewfinder. I was unable to source proper Pentax focusing screen shims so I added thin strips of Post-It to the stock shim. 1 thickness of Post-It turned out to be just about perfect in my case. Since then I've started using aftermarket focusing screens, which I am completely happy with -- the one from focusingscreen.com comes with extra shims in case you need to adjust.

AF is not based on the focusing screen, which is why it is possible for AF to be correct even if the focusing screen is improperly adjusted.
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