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Off topic: but in regards to UV protection, poly-carbonate(common in lenses) is UV-opaque. Completely clear uncoated PC lenses block most UV light. https://www
by somat 1y ago
Off topic: but in regards to UV protection, poly-carbonate(common in lenses) is UV-opaque. Completely clear uncoated PC lenses block most UV light.
https://www.apollooptical.com/material-transmission-data-graphs https://www.apollooptical.com/material-transmission-data-gra...
Note the sharp drop-off in transmission for wavelengths shorter than 400 nm.