September 13, 2010 | Posted by Best Binocular Reviews A common question I get asked is about binoculars with ruby coatings on the lenses and if they are a good or bad thing: The first thing to mention about “ruby” coatings on binoculars is that the coating has nothing to do with the mineral ruby. As far as I know, ruby coated lenses were [...]
Categories: Binocular Terms | 
Tags: Coatings, Lens Coatings, Ruby, Ruby Coatings | 
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April 6, 2010 | Posted by Best Binocular Reviews Phase correction in binoculars is a set of coatings on the prism glass inside the binocular that keeps light in correct color phases. These coatings are only needed on roof prism binoculars to enhance resolution, contrast, and color fidelity. Phase Correction is needed because by their design, roof-prism binoculars split the light entering the barrels [...]
Categories: Binocular Terms | Tags: Binocular Terms, Glossary, Phase Correction | No Comments »
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