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My mentor in '98 insisted I buy a $50 ultrasonic cleaner for lens elements, and it's still running today.

He said 'you'll save a fortune on solvent and cotton swabs over the years,' and after cleaning a hundred sticky aperture blades last month, I finally understood what he meant.
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2 Comments
sageallen
sageallen11h ago
Ever think about how much chemical waste that one tool has kept out of landfills over the years?
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robert_roberts
But is it really that much waste in the grand scheme of things?
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