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TIL Japan Hoya glass in Canon FD lenses is way harder to find than German Schott glass
Was cleaning a set of 50mm f/1.4 lenses last week and noticed the Hoya version had a haze that wouldn't budge even after 3 tries with solvent. Is there a trick to getting that coating clean without scratching it?
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nancygrant3mo ago
Guess that haze is there permanently now.
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holly_walker762mo ago
Tried scrubbing mine with a mix of dawn and white vinegar on a soft sponge. Let it sit for like ten minutes before rinsing. Took a couple rounds but the haze lightened up enough that I stopped noticing it.
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