Shim replacement works on K-7!

Lance B
Posted 29/03/2010 - 08:37 Link
Hi all.

For those that followed my thread regarding the Katz Eye focus screen and the issue of the shim, I have received my set of shims and am happy to report that the shim replacement seems to have worked correctly. I have only done preliminary testing, but a .20mm shim seems to be about right.

Here is my original thread on this site:
https://www.pentaxuser.com/forum/topic/k-7-shims-18721

As those who read my original thread may remember, the factory fitted shim of .40mm caused front focus compared to what appears in the VF. In otherwords, my focused point in the VF would be behind what was actually recorded on the sensor. When I removed the .40mm factory fitted shim, the recorded image onto the sensor moved to behind the correctly focused image in the VF when I composed the image - to about the same amount as when the shim was installed. So, I figured that the factory fitted shim of .40mm needed to be about .20mm and this seems to be correct by my preliminary testing.
Cameras:K-7/K20D/*ist D/K10D
Lenses:DA14 f2.8, A16 f2.8, FA20 f2.8, FA31 f1.8, DA35 f2.8 macro, FA43 f1.9, FA50 f1.4, A50 f1.4, A50 f1.2, FA50 f2.8 macro, DA*55 f1.4, FA77 f1.8, DFA100 f2.8 macro, A100 f2.8, DA*300 f4, FA*300 f4.5, DA10-17 FE, DA12-24 f4, DA*16-50 f2.8, DA17-70 f4, FA*28-70 f2.8, DA*50-135 f2.8, DA*60-250 f4, FA*80-200 f2.8.
Flashes:AF540FGZ, AF360FGZ
i-Berg
Posted 29/03/2010 - 08:58 Link
Thanks Lance - a good bit of deduction.

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