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10-17-2011, 04:13 PM   #1
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After upgrade firmware for K5, Should I need to re-do focus adjustement ??

Dear all, just upgraded the K5 firmware. I wondered if it is necessary to re-do all my lens focus adjustment again ? or the original set will fit with the updated firmware ?

Many thanks in advance.

10-17-2011, 04:38 PM   #2
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It should stay the same, but I have heard of people who have had to readjust the fine focus after firmware adjustment.
I don't have an explanation for why sometimes a readjust is required and most times not.
It isn't hard to check after an update.
10-17-2011, 05:07 PM   #3
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The settings won't reset, and since K-5 firmware doesn't address focusing issues, you shouldn't run in to any problems.

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10-17-2011, 05:48 PM   #4
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May I ask if you are experiencing focus problems? If yes... adjust as needed.

Cheers... M

10-18-2011, 09:15 AM   #5
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I don't have the K-5 but my experience with the old *istDS is that the um setting in debug mode would be reset to '0' after upgrading the fw, BUT, the actual AF calibration would be remembered.

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