NEW NEW NEW UV400 - Very lightweight, more comfortable - 1,56ND 10 CR39 Photochromic Gradient Base 4 6.1 LAB MOD SYSTEM FILTERS CONFORM TO INTERNATIONAL NORM EN ISO12312-1:2013+A1:2015 darkens in a few seconds darkens in a few seconds Ref. 06645 FC1 (lens centerτ 71%) Ref. 06646 FC1 (lens center τ 74%) Base Ø 75 mm | 2,0 mm B 4 Clear lens 5% Extremely clear indoors. Photochromic CR39 lenses are light and comfortable to wear. Lightens in a few minutes Lightens in a few minutes Dark lens 65% The colour also fades faster than with glass lenses, granting a 100% UV protection. darkens in a few seconds Ref. 06647 FC1 (lens center τ 80%) Lightens in a few minutes ALL RIGHTS RESERVED © FRAME PARTS LAB CONSUMABLES TOOLS PLIERS EQUIPMENTS LENSES REFRACTION & ORTHOPTIC INDEX Light Grey Gradient 5% Dark Grey Gradient 65% Light Blue Gradient 5% Dark Blue Gradient 65% 2 pcs. Light Pink Gradient 5% Pink/Grey Gradient 65% 100 80 60 40 20 0 %T 300 400 500 Wavelength (nm) 600 700 clear lens 100 80 60 40 20 0 %T 300 400 500 Wavelength (nm) 600 700 dark lens
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