Ideal for all your longer-range glassing needs on land and water, the Alpen Optics 10x42 Shasta Ridge Binoculars feature proprietary PXA phase-correcting prism coatings and HR metallic covered reflective prism surfaces that maximize light transmission and boost clarity and contrast. The prism coatings are complemented by anti-reflection fully multicoated optics which provide bright, clear, high-contrast views with accurate color rendition. The 42mm objectives gather all the light needed to keep views crisp and bright in challenging conditions, such as at dawn and dusk, without being overly bulky or cumbersome. Their chassis is nitrogen filled and O-ring sealed to be resistant to internal fogging and waterproof to withstand extreme weather, with textured palm pads on the armor to ensure a secure grip in cold and wet weather.