Experience exceptional color-balancing for HPS (high pressure sodium) lighting with our proprietary lenses manufactured to exacting standards by Carl Zeiss Vision. The Operator features curved 8 base lenses that are optically decentered to eliminate prismatic distortion in a ?sport-style? frame. Our Silver Plus lens coating makes the Operator HPS+ a good choice for outdoors too. Microfiber pouch included for proper cleaning and storage. 100% UV protection.