I have an M 28/2.8 (yes, I know, spare me the "but the 3.5 is much
better" comments, I've heard it already) that I picked up used a while
ago. Lately, I've been getting really overexposed shots when I use f16
or 22. The slides look up to 3 stops overexposed, and I'm not having
the problem with any other lens. I suspect that the aperture is a
little slow and it just isn't stopping down fast enough, therefore
letting in too much light. Does this explanation make sense? I'm just
looking for a little confirmation before I run out and buy another 28
(and yes, this time I'll try to get the 3.5).
In slightly OT news, I had a hour and a half seminar on endoscopy this
morning, no Pentax content however ;-)
-Matt
