I think the only way one could adjust for manual focus would be by shimming the 
screen. I haven't seen anything to indicate that manual focus is less than 
precise on any of my recent Pentax cameras. The autofocus adjustment is 
electronic and done by means of the menu. I fine tune autofocus on all of my 
cameras for all of my autofocus lenses. Most needed some tweaking to nail the 
focus point.

Paul
On Oct 25, 2012, at 9:51 AM, jn289 <[email protected]> wrote:

> Has anyone done focus adjustment on any of their manual focus lens on the K-7 
> or K-20d bodies ?
> I have not used the focus adjustment feature on any of my glass, manual or 
> auto focus.
> 
> Thanks, Joe
> 
> 
> http://photo.net/photos/pjjdxn
> 
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