On 2/25/2011 1:36 PM, Krisjanis Linkevics wrote:
What is Paul's system? :)
I haven't adjusted any of my lenses ever but maybe I should so if there is a
"better" way I want to know!
kris
I am certain Paul will give you a full answer. Here is mine, kind of
second hand. Paul has made a target which I think he can share. You put
it on the floor, you shoot it with your camera angled approximately 45
deg to the floor and once you shoot you correct the AF with in-camera
correction module. By doing so you "dial in" or effectively produce an
individual correction for each of your lenses, provided you don't have
too many. In case of fast or "cranky" lenses, such as FA 50/1.4 or zoom
lenses such as Sigma 24-60/2.8 (Sigmas generally being known for AF
imprecision) it can be a difference between lost and made shot.
Now, since they are offering prices to good fathers, I also dialed in
specifically Galia's lenses for K-7. FA 50/1.4 needed minor correction,
DA 21 and FA 100/3.5 did not.
Boris
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