For me, I use tape to fix the focusing ring during shooting.
C.H.Ling
----- Original Message -----
From: "Wayne S" <om4t@xxxxxxxx>
>
> 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.
> The other solution for downward pointing macros is to go all the way to
1:2
> macro (at close focus limit stop) and focus only by moving the camera.
>
> Wayne
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