It the M42 lens doesn't have an auto/manual switch then there isn't really a simple solution. I've heard that super glue works...

Alan P. Hayes wrote:

Sorry if this shows up twice, but I think I sent it from the wrong address, before...

I've got a couple of SM lenses with the little push rod arrangement for stopping the lens down. Is there a simple solution to keeping it pushed in when using the lens with a screw to K mount adapter?



-- A man's only as old as the woman he feels. --Groucho Marx



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