On 6 November 2010 22:18, paul stenquist <[email protected]> wrote:
>
> On Nov 6, 2010, at 10:02 PM, Miserere wrote:
>
>> On 6 November 2010 21:42, paul stenquist <[email protected]> wrote:
>>> I adjusted the camera for all six of my autofocus lenses this morning. i 
>>> did it with the target I've used before. The moire method sounded even more 
>>> difficult and time consuming. In any case, five of the six came in at 2 or 
>>> 3 clicks in one direction or the other. None were dead on at zero. That's 
>>> less deviation than I saw with most of my other Pentax DSLRs. Similar to 
>>> what I saw with the K-7. One lense, the FA 35/2 required a + 10 adjustment. 
>>> I believe the K-7 number for that lens was way up there as bell. I'll have 
>>> to have a look. I double and triple checked most of them. Checked zooms at 
>>> full zoom and half way. If there was a discrepancy, I leaned toward getting 
>>> it right at the longer focal length, since DOF is reduced. I'm now happily 
>>> dialed in.
>>>
>>> Paul
>>
>> How is the manual focusing? Do you need any shims to sort it out?
>>
>>
> I haven't tried manual focus. I do intend to head out in the woods with my 
> A400/5.6 some time soon. And I'll check it for infinity. I suspect it will be 
> okay, as it has been with the k-7. The only other manual focus lenses I use 
> are a K85/1.8 and a Vivitar S1 90/2.5 macro. Haven't experienced problems 
> with any of them on my earlier Pentax DSRs, although I never tested them 
> specifically for infinity focus. They're not the kind of lenses one normally 
> uses at infinity.
> Paul

I wasn't worried with infinity so much as with accuracy in general. I
recently had to shim my K10D because AF was spot on but manual focus
back-focused.

I'm sure your camera will be fine, but I was curious nontheless. I'm
sure Boris will chime in with his tale of woe getting correct manual
focus on his K-7.


  --M.
-- 

    \/\/o/\/\ --> http://WorldOfMiserere.com

    http://EnticingTheLight.com
    A Quest for Photographic Enlightenment

-- 
PDML Pentax-Discuss Mail List
[email protected]
http://pdml.net/mailman/listinfo/pdml_pdml.net
to UNSUBSCRIBE from the PDML, please visit the link directly above and follow 
the directions.

Reply via email to