On Mar 16, 2012, at 2:40 PM, Larry Colen wrote:

> 
> On Mar 16, 2012, at 11:34 AM, Bruce Walker wrote:
> 
>> It's a somewhat lengthy process Mary, especially if you have a few
>> lenses to do, but it's *well* worth the effort. I have done it with
>> all my oft-used glass on my K20D and I will do it all over again
>> if/when I upgrade. You need a solid floor and a well-settled tripod to
>> do it accurately.
> 
> Interesting.  I've never seen a need for it on my K-5.  I bought a katzeye 
> for my K20, and almost never used autofocus anyways.

My K-5 required minor adjustment. It's important if you use autofocus wide open 
with a fast lens and want to make sure it's the eyeball, rather than the 
eyelash, that is critically sharp.
> 
> I think I have more problems getting the camera to autofocus on the right 
> thing, than I do getting it to autofocus accurately.

Use single point autofocus and choose the point that best suits your image.

>  It seems that most of the time I use autofocus, the camera is focused 
> perfectly on the wrong thing. I.e. The microphone in front of the musician.
> 
>> 
>> 
>> On Fri, Mar 16, 2012 at 2:16 PM, mary pitrone <[email protected]> wrote:
>>> Does any one on the list use this setting on their bodies, to adjust the AF 
>>> setting on the lens.
>>> I was having trouble with AF on the K7 with the Pentax 16-50 2.8. lens..I 
>>> hardly ever use AF on the K7 and K20. Any thoughts ?? Thanks
>>> 
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>> 
>> 
>> -- 
>> -bmw
>> 
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> 
> --
> Larry Colen [email protected] sent from i4est
> 
> 
> 
> 
> 
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