Focusky-HD 12x50

Optical Performance Large 50mm objective lenses provide generous light-gathering capability for improved vision in challenging conditions such as at dawn and dusk.Compact roof prism light path enhances performance while helping to keep the weight and bulk down.BAK4 prisms deliver a round exit pupil and a crisp and clear image with limited edge distortion.Anti-reflection fully multi-coated optics（A5） improve light transmission and contrast and provides an accurate color rendition.Phase-correcting prism coatings eliminate internal interference to improve color and contrast.Exterior lens coatings resist scratches and abrasions while allowing oil, dirt, and sap to be cleaned off without leaving smudges or residue. Construction Details Open-bridge, dual-hinge configuration provides additional gripping surface area for better handling.O-ring sealed and argon filled to be waterproof and resistant to internal fogging when moving through extreme changes in temperature or environmental conditio