NoIR DI2 Filter for Laser Diodes (800nm-818nm) Frame:Frame #38 The most apparent change from

The most apparent change from the regular M Frame is the thicker

Cape back and underarm vents

VR28 Lens - Light Transmission 28% - Medium to bright light

Blue Blocker lens technology guarantees a great protection against harmful blue light of all kind (screens

32% Spandex

NoIR DI2 Filter for Laser Diodes (800nm-818nm) Frame:Frame #38 The most apparent change fromNoIR Laser Safety Glasses are the product of engineering innovation and tight manufacturing tolerances, providing an optimal balance between protection and visibility. Available in universal styles, with one to fit nearly every face, whether over prescription glasses or not. Polycarbonate laser glasses are lightweight, economical, and offer excellent protection from lasers. NoIR's polycarbonate lenses are extremely durable and scratch resistant. OD