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<blockquote data-quote="Kevin Purcell" data-source="post: 2082110" data-attributes="member: 68323"><p>Zeiss don't make glass lenses for spectacles: they're all plastic so the LT coating is a bit different in design.</p><p></p><p>Zeiss patented using hydrophobic coatings on plastic spectacle lenses but didn't patent it for sport optics on glass. Bushnell did that with their Rainguard epoxysilane coatings. Zeiss now license the Bushnell patent though I suspect they use their own design of coatings.</p></blockquote><p></p>
[QUOTE="Kevin Purcell, post: 2082110, member: 68323"] Zeiss don't make glass lenses for spectacles: they're all plastic so the LT coating is a bit different in design. Zeiss patented using hydrophobic coatings on plastic spectacle lenses but didn't patent it for sport optics on glass. Bushnell did that with their Rainguard epoxysilane coatings. Zeiss now license the Bushnell patent though I suspect they use their own design of coatings. [/QUOTE]
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