>Also might be curtain timing has slipped -- more common on the 2s, but not
>unheard of on a 4/4t. This will only show up at higher speeds.
>
>Easy, quick way to check -- and note that this works on every OM with cloth
>curtains:
>Without film (;^), open the back cover. Wind the camera so that the black
>metal curtain bar is in the center of the focal aperture (rectangle where
>the picture is made). Gently and carefully drag a fingernail from the
>_left_ edge of the black metal bar across the curtain material to the
>left -- this is the first curtain. You should be able to feel the metal bar
>of the second curtain just behind the material of the first curtain.
>_In_most_instances_* you should be able to determine that the leading (left)
>edge of the second curtain bar is 2-3mm, or no more than about 1 bar width,
>to the left of the left edge of the first curtain's bar.
The metal bar of the second curtain can be felt just behind the first
one, I would say less tha none millimeter behind it.
>
>(* -- on rare occasions excessive overlap is necessary, and the camera has
>been deliberately set this way for accuracy. Unless you've seen a problem
>with side-to-side exposure variance (dark edge) at high speeds, don't worry
>about it!)
Well, isn't it what I see, a dark edge, mostly occuring at higher speeds ?
Bernard
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