#html-body [data-pb-style=KN2A6DB]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}BCA VU-42 10x magnification binoculars offer the very best in rugged reliability and crystal-clear glass in a lightweight, compact package, and you can trust they'll outperform all others in the field while not breaking the bank. The 42mm ED glass objective lenses offer the best field of view and enough power for long-range detection with high-definition performance.PREMIUM ED OBJECTIVE LENSES: Extra-Low Dispersion (ED) glass virtually eliminates chromatic aberration, also known as color fringing, delivering the most vivid picture imaginable. VERSATILE, ALL-AROUND BINOCULARS: These binoculars are a great choice for nature observation, as well as for the trail, stadium, arena, or just about anywhere you want a close-up view of the action.BaK-4 PRISMS FOR OPTIMAL VIEWING EXPERIENCE: The prisms inside Nature DX ED feature quality BaK-4 glass with phase coatings applied to maximize light transmission.DURABLE, WEATHER-RESISTANT BODY: A sturdy rubber-armored, polycarbonate housing protects your Nature DX ED binoculars from damage and can stand up to even the toughest outdoor weather conditions!COMFORTABLE & EYEGLASS-FRIENDLY: Durable twist-up eyecups are comfortable for everyone. Twist them up if you don't wear glasses; leave them down if you do.TRIPOD ADAPTABLE: Add an optional tripod adapter to mount the binocular on a monopod or tripod for long periods of steady viewing.WATERPROOF & FOGPROOF: Filled with dry nitrogen gas and sealed, the Nature DX ED is 100 percent waterproof and fogproof.ACCESSORIES INCLUDED: Objective lens caps, eyepiece rainguard, neckstrap, carrying case, lens cloth, and an instruction manual all included.SpecsOptical Design: RoofDiameter: 42 mm (1.65 in)Magnification: 10 xAngular Field of View: 6.8 degLinear Field of View (@1000 yds): 356 ft (108.51 m)Linear Field of View (@1000 m): 118.7 m (389.44 ft)Exit Pupil: 5.3 mm (0.21 in)Eye Relief: 18 mm (0.71 in)IPD Min: 56 mm (2.2 in)IPD Max: 74 mm (2.91 in)Near Focus (Binoculars): 13 ft (3.96 m)Prisms: BaK-4Optical Coatings: Multi-CoatedWeather Proof: nitrogen-filled waterproof and anti-fog