SUPER EASY & FAST CENTRAL FOCUSING - These binoculars are easy to use and focus, with its smooth big focusing wheel, you could get focused really fast for a clear view, which is super important especially when you are doing bird watching. It also features twist-up eyecups that are easy to adjust for whom with or without eyewear.IMPROVED BRIGHT & CRYSTAL VISION - The image quality matters a lot for us nature lovers, these binoculars are featured with optimized optics like FMC lenses, phase-coated Bak-4 prism, and 42mm full-size objective lens. The fine coated lenses and prism significantly improve the contrast and sharpness of images, and the 42mm objective lens boosts the ability of light gathering, ensure a bright image even in low-light conditions.TRUE-TO-LIFE IMAGES QUALITY - Lens construction affects the image quality in a great way, these binoculars are equipped 6-groups, 8-pieces lens elements inside that will improve the image quality to a new level by reducing distortion.A CLEAR VIEW WHATEVER THE WEATHER - Waterproof and fog-proof are important features for binoculars especially for outdoor use, yet many haven't realized it. Nothing like fogging up internally could ruin your day of birding or hunting. These binoculars are fully sealed with O-ring and Nitrogen purged inside to be 100% waterproof and fog-proof.ULTRA WIDE FIELD OF VIEW - 8x power magnification allows you to achieve a significantly wide field of view (330 fts/1000 yds), give you the ability to scout out larger amounts of ground, which means you could easily scope out your trophy among the branches or a duck on the waves.