On most of standard size binoculars models, there will be a thumb lever or wheel placed conveniently within reach so you can adjust the magnification without changing your grip or taking the eyepieces away from your eyes.
Features an SHR metallic coating put on the reflective surface of Schmidt-Pechan prisms to ensure high transmission. On the prisms, there is also a PXA phase correction and multi-layer coating on all ..
Leupold BX-4 Pro Guide HD 8×42mm Roof Kryptek Typhon Black Binoculars Features:- 100% Waterproof and Fog Proof- BAK 4 Prisms- Ergonomic Design- Fully Multi coated Lens System- High Definition: Lo..