Boris Liberman wrote:
Larry Colen wrote:
Have you carefully calibrated the focusing screen with all of your lenses?
You may have just noticed it with the 1.2 because of the shallow DoF.
On Mon, Dec 14, 2009 at 9:08 AM, Derby Chang <[email protected]> wrote:
Yvon has this nifty chart you can download and print on card. Won't solve
your problem but you can quantify it.
http://pentaxdslrs.blogspot.com/2008/06/part-1-autofocus-adjustment-for-pentax.html
I hear you. I've downloaded the charts. I am going to print them and
try to measure my problem. Now - what do I do to effectively solve it?
My conundrum here is that the lens is manual focus - so that
everything here is purely mechanical - the lens, the focusing screen,
the camera - no electronics involved. So what kind of solution am I
looking for?
Getting it repaired? Ok, I'm not being a wise guy,actually - my 28mm
smc M had this problem,
and as it was a wide angle lens and I was shooting film, I didnt' notice
it until the film came back.
It could be in the lens itself, is all I'm saying... because I took mine
in and got it repaired (this is like 20 years ago) and that solved it...
and that is the lens I still shoot with attached to my dark side
camera... it being
the sharpest lens I own. some little gizmo got loose inside, I guess
ann
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