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Was totally wrong about ultrasonic cleaners for old lenses
I always thought those cheap ultrasonic cleaners would wreck vintage glass, but a buddy in Chicago talked me into trying his setup. Ran a 1950s Elmar lens through 3 cycles at 40C and it came out cleaner than anything I've done by hand. Anyone else have good or bad experiences with these on older coatings?
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wendygarcia18d ago
Gotta keep it under 50C though or you'll soften old lens cement.
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wells.amy18d ago
60C worked perfect on my old brass scope last week.
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