All rainier binoculars push the limits of optical perfection. All optical components receive our exclusive ubx multi-layer coating for maximum light transmission. The extra-large bak-4 prisms are coated with over 60 layers of alpen’s shr metallic and pxa phase coatings to deliver the best brightness clarity and color fidelity. Large diameter lens elements throughout the optical system provide enhanced field of view and eye relief for easy viewing. Waterproof bak4 optics long eye relief ubx fully multi-coated shr metallic coated pxa phase coating a-lock diopter system cleaning pen included pro-distributing microfiber cleaning cloth included alpen binocular tripod adapter for the outdoor enthusiast who tires of holding binoculars up to the eyes the alpen binocular tripod adapter is the ticket to a better experience and longer viewing in the field. While this adapter is designed to work with alpen binoculars that have a narrow bridge it works with any binocular that has the front adapter hole. It connects to any tripod equipped with a 1 4-20 screw.
