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03-29-2013, 12:06 PM   #1
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Auto Focus Fine Adjustment 1.7x adapter with old lenses

When I use the SMC K Mount 500 f4.5 lens with the Pentax-F AF 1.7x converter I am able to get autofocus working on my K-5. However it front focuses. Is there a way to use the AF Fine Adjustment (Custom Menu item 26) to enter an adjustment - my concern is that the lens/adapter has no configuration identifier for the system to remember. I can play around and determine a good adjustment and entering the value each time I use the lens would not be a problem. I would use APPLY ONE but would the K-5 know what this configuration is? I don't see how. Any suggestions in how I can use AF Fine Adjustment with this lens setup would be appreciated. Thanks.

03-29-2013, 12:47 PM   #2
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The only way to do it is to use the global adjustment.

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03-29-2013, 01:36 PM   #3
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QuoteOriginally posted by Adam Quote
The only way to do it is to use the global adjustment.
Thank you Adam - now why didn't I think of that!
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