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Coatings  Glass Lenses - Super ET
Super ET (SE) is the multilayer coating, and has the credential of residual reflectance per surface as low as 0.6% & allows as much as 99.9% transmission of visible light. Due to these fascinating features, Super ET stands for outstanding clarity of vision & for crystal clear transparency. Super ET residual reflection colour is eye pleasing bluish green.
Super ET is a combination of multi-layer A.R coating and clean coat.
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