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Had a fellow repairer show me a trick with a Pentax Spotmatic yesterday
I was at a shop in Portland swapping stories about old shutters when this older guy pulled out a Spotmatic that had a stuck mirror. He just took a wooden chopstick and gently pressed the foam around the mirror box for about 2 minutes. Said the foam gets sticky after 20 years and locks everything up. Never would have thought to use something that simple instead of solvents. Has anyone else run into old foam causing mirror hang-ups like that?
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kelly6381mo ago
That chopstick trick is genius, I've definitely had old foam glue a mirror shut before. I spent 20 minutes with a plastic spudger and some lighter fluid on a Minolta SRT once, and it just made a sticky mess. A wooden stick pressing gently for two minutes sounds way better than getting solvent all over your fingers and the prism. I bet the guy's been doing that since the 70s and never bothered telling anyone until yesterday.
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murphy.aaron1mo ago
20 minutes with lighter fluid for a sticky mirror? Sounds like overkill to me, a little isopropyl on a q-tip usually does the trick in like 5.
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