Visible Light Transmittance of Common Lens Materials All colors are simulated Photochromic Lens Materials Darkened Faded 0% 25% 50% 75% 100% 22% 85% P hotogray E xtra 1.523 25% 85% P hotobrown E xtra 1.523 16% 86% Photogray Thin &Dark ™ (1.5mm C.T.) 1.523 25% 85% Autumn Gold ™ 1.523 22% 83% Photosolar, 1.60, Gray 1.60 12% 89% Transitions ® G ray** 1.50 15% 89% Transitions ® Brown** 1.50 22% 87% Transitions ® High-X ™ , Gray** 1.55 28% 87% Transitions ® High-X ™ , Brown** 1.55 ® ™ 14% 80% Transitions Aris Gray 1.53 ® ™ 28% 80% Transitions Aris Brown 1.53 16% 40% Glass Polarized Thin & Dark ™ Gray 1.523 19% 38% Glass Polarized Photobrown Extra 1.523 15% 32% Glass Polarized Autumn Gold ™ 1.523 ® 12% 40% NXT Polarized Gray Fixed Tint Lens Materials Polarized Lens Materials 15% UVSG (Gray, UV Filtering Sunglass) 1.597 11% Glass Polar G-15 19% G-15 1.523 15% NXT Polar Gray 20% Gray 3 1.523 15% NXT Polar Brown 21% Tan 3 1.523 17% Glass Polar Brown 3 30% Gray 2 1.523 17% Glass Polar Gray 3 36% Green 3 1.523 19% Poly G-15 40% Gray 1 1.523 20% Poly Brown 3 51% Green 2 1.523 20% Plastic Polar Gray 3 64% Rose Didymium 1.523 20% Poly Polar Gray 3 67% Green 1 1.523 25% Plastic Polar Brown 3 82% Canary Yellow 1.523 38% Glass Polar Brown 1 82% Rose 2 1.523 41% Glass Polar Gray 1 85% 1.80/High Index Glass 1.801 41% Plastic Polar Gray 1 86% 1.70/High Index Glass 1.701 87% Polycarbonate 1.598 NXT® Lens Material 88% Aris™ 1.523 Photochromic Gray 88% High-X™ 1.670 Photochromic Brown 88% Rose 1 1.523 Photochromic Copper 89% Clear 16™ 1.601 Photochromic yellow to Gray 92% Clear Crown Glass 1.523 15% Gray-15, w/wo Silver Mirror 92% CR-39 Plastic Resin 1.498 15% Brown-15, w/wo Gold Mirror 92% High-X™ 1.554 15% Green-15 (G-15 Like Color) Note:All readings were taken at 77 degrees fahrenheit, at 2.0mm C.T. unless otherwise noted. ** Transitions readings were taken at 72 degrees fahrenheit with 2.0mm C.T. Photogray, Photobrown, Photosun, Clear 16 and Thin & Dark are registered trademarks of Corning, Inc., Corning NY Transitions is a registered trademark Transitions Optical Co., Pinellas Park, FL NXT is a registered trademark of Intercast Europe S.r.l., Parma, Italy Aris, High-X and Autumn Gold are registered trade names of X-Cel Optical Company.