TYPE OF PRISM:BAK4
NUMBER OF LENS:8 set of 6 groups
LENS COATING:Fully Multi-coated
EXIT PUPIL DIAMETER:4.15mm
EXIT PUPIL DIST:15.2mm
FIELD OF VIEW:5.2°
WATER PROOF:1m/ 30min
EXTRA WIDE FIELD OF VIEW – 272 feet field of view at 1000 yards, easy to find your target even if fast-moving subjects, the best bird watching binoculars you can buy today.
FULLY MULTI COATED OPTICS – Premium coatings provide a high light transmittance across the entire visible light spectrum, guarantee a bright, sharp image even in twilight conditions by maximizing transmission of fading light.
COMPLETELY WATERPROOF AND FOGPROOF – They are 100% waterproof through nitrogen-filled internals to handle the most extreme weather conditions, ensuring you can uninterrupted views.
ERGONOMIC DESIGN – These binoculars equipped with user-friendly features such as turn-and-slide rubber eyecups, a smooth central focus knob and durable rubber armor.