Rage Goggle Lens. The Rage lens system with slide+hinge lock technology allows you to quickly and easily swap lenses on the fly for changing light conditions. The Rage is engineered with anti-fogging technologies such as air circulation through foam filtered vents, large internal air volume and Anti-Fog lens coating. The cylindrical lens design provides great peripheral vision and clarity. Anti-scratch quick-release impact rated cylindrical lens. Quick-release slide and hinge lock lens retention system. Injection-molded lens technology. Super anti-fog lens coating. Photochromic lenses sold separately. UV 400 rating. ANSI Z87.1 impact protection safety standard. VLT Conditions: FC0 = 80% to 100% light transmission. FC1 = 43% to 80% light transmission. FC2 = 18% to 43% light transmission.