Leupold BX-4 Pro Guide HD 10x32 Binoculars Features:- 100% Waterproof and Fog Proof- BAK 4 Prisms- Central Focus Dial: Large, tactile focus dial is easy to find and use (even with gloved hands), ..
The Alpen Rainier 8x42mm EDHD Binocular features a Schmidt-Pechan roof prism made of BaK-4 glass which has a reflective surface covered by 60 metallic SHR coatings--the purpose of which is to minimize..