The Vanguard VEO ED 12x50 is a well-balanced, lightweight, and durable carbon-composite binocular. It is 100% waterproof/fog-proof and designed to take on challenging weather conditions. Extra-low-dispersion glass (ED) effectively reduces chromatic aberration and enhances color resolution and contrast.VEO ED binoculars feature premium extra-low dispersion (ED) glass and fully multi-coated lenses to effectively reduce chromatic aberration and deliver vivid, accurate colors to your eyes. See your subject in clear contrast and make easy adjustments with the conveniently placed center focus wheel. Two-stage twist-up eyecups let you perfectly customize the fit for your personal preference, ensuring precision and comfort every time you pull them up for a look.Although VEO ED binoculars are designed to eliminate weight, they are equally built to withstand the elements. These 100% waterproof and fog-proof binoculars are there for you whether youre enjoying a perfect sunny day or braving the various challenges of nature.Vanguard VEO ED binoculars come with an attractive optics bag for carrying at your side or packing away neatly in one of our premium travel bags. Plus, you get a comfortable neck strap to keep your optics close at hand when birding, scouting, or sightseeing. Add the optional BA-185 adapter (sold separately) to mount your VEO ED binoculars onto a tripod and eliminate hand movements.Specifications:Model: V250458- Adjustable Pupillary: 60 - 75 mm- Extra-Low Dispersion (ED) Glass?: YES- Extended : 5 Years- Waterproof & Fog-Proof?: YES- Item Weight: 0.76 kg