Revision Stingerhawk GF-8 Laser Protective Large Lens. 7percent (OD=2.5) of 532 nm green laser energy and stops 99percent(OD=2) of hazardous 808 nm Near-Infrared radiation an invisible component of green lasers. Specifications for Revision Stingerhawk GF-8 Laser Protective Lens: Manufacturer: Revision Size: Large Age Group: Adults Frame Color: Black Lens Color: Red Polarized: No Fit: Standard Photochromic: No Gender: Unisex Package Contents: Revision Stingerhawk GF-8 Laser Protective Lens Revision 4-0152-9023: Stingerhawk GF-8 Laser Protective Large Lens