K20D correcting back focus procedure

tunarudi · 02-27-2010, 04:14 AM

Hi everybody,
I know this issue has been adressed before but I fail to find it again.
Please advice.
Thanks in advance
Xavier

mattdm · 02-27-2010, 06:29 AM

Page 106:

http://www.pentaximaging.com/files/scms_docs/K20D_Manual.pdf

Rather than using a test pattern, take a picture of something with detail at your normal working distance. Then, "bracket" that with plus and minus adjustments. Do a few at each setting. Then, take those back to your computer and decide which has the best focus.

Repeat for each lens.

02-27-2010, 04:14 AM	#1
tunarudi Forum Member Join Date: Feb 2008 Location: Tarragona Photos: Gallery \| Albums Posts: 53	K20D correcting back focus procedure Hi everybody, I know this issue has been adressed before but I fail to find it again. Please advice. Thanks in advance Xavier

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02-27-2010, 06:29 AM	#2
mattdm Veteran Member Join Date: Feb 2007 Location: Boston, MA Photos: Gallery Posts: 2,948	Page 106: http://www.pentaximaging.com/files/scms_docs/K20D_Manual.pdf Rather than using a test pattern, take a picture of something with detail at your normal working distance. Then, "bracket" that with plus and minus adjustments. Do a few at each setting. Then, take those back to your computer and decide which has the best focus. Repeat for each lens.