This message is a follow up to a posting I made last fall. I am
telling my story as a point of information for the group and in case
someone might have a helpful suggestion.
In my original post, I reported that my SMCP-A* 200mm macro had a
problem with the focus ring rotating on its own due to the pull of
gravity when the lens was pointed down. The lens was under warranty,
but I was hesitant to send the lens in for repair.
The problem got it the way of my shooting a couple of more times, so I
went ahead and sent the lens to Pentax. They sent the lens back with
the packing slip stating that they packed the helicoid with heavier
grease. The problem seems to be gone, but now there is a new problem.
After the diaphragm is stopped down, it does not spring back open
unless I wiggle the aperture ring. This happens with the lens either
on or off the camera body. I doubt that there is a simple fix for
this, so I will probably have to send the lens back again.
Greg Johnson
New Brighton, MN
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