Well, some may creep, maybe most creep, but Tom seems to have sold me
one without that problem. Focus isn't stiff, just smooth and solid. It's
been sitting pointed straight down, focus ring with the dot in the 0.5m
focus mark directly over the white focus marker without moving at all
for over 20 minutes. I don't think it's going to move during any
ordinary exposure.
Moose
Wayne S wrote:
>C.H.Ling wrote:
>
>
>>Have you tried using a tripod and point the lens down? I have seen two 90/2
>>that focus moving slowly.
>>
>>
>
>I tried two 90/2's, one was brand new out of the box, and it had focus creep.
>Very slow, but enough to cause soft focus, especially with 1 second exposures.
>If the focus was any stiffer it would not be comfortable to use in general.
>
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