While 10x42 binoculars are tried-and-true sometimes you just need more light. By moving up to the BX-2 Alpine HD 10x52mm you increase the amount of light getting to your eye which is great for low-light conditions and you also get a clear HD image. - Whether it’s your first binocular or your 50th your glass needs to give you a bright image feel comfortable in your hands and be able to take a beating. The BX-2 Alpine HD binocular checks all of these boxes and more. With our Elite Optical System this bino offers excellent dawn to dusk light transmission for a bright image when it matters most elite-level glare reduction in harsh light and the resolution and clarity that diehard hunters and shooters demand. And like all Leupold binoculars it’s guaranteed for life. - Finish: Shadow Gray - Waterproof: Yes - Light Management System: Advanced Optical System - Guard-ion Lens Coating: No - Length (in): 6.5 - Weight (oz): 32 - Magnification: 10 - Objective Lens Diameter (mm): 52 - Linear FOV (ft@1000 yd): 303 - Angular FOV (Degrees): 5.8 - Eye Relief (mm): 16 - Exit Pupil (mm): 5.2 - Close Focus Distance (ft): 12.5 - Interpupillary Distance Max (mm): 76 - Interpupillary Distance Min (mm): 57