We use quite a lot of A/R and recently we have been getting our 1.6 index back with a rather "bright" purple back reflection. Has anyone out there found this to be the case with the 1.6 index product they use. We do about 85 to 90% A/R and about 45 to 50% 1.6. All the other product looks really good. I was told by the lab that the back reflection on 1.6 has always been this way. Well, the experience that I have had with A/R over the years does not prove this to be the case.
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