Zoom Binocular Celestron SkyMaster 25-125x80

SkyMaster 25-125x80 Zoom - General Features Water-resistant Multi-coated optics High quality BAK-4 prisms Large aperture perfect for low light conditions and stargazing Integrated tripod adapter rod Long eye relief ideal for eyeglass wearers Diopter adjustment for fine focusing No-Fault Lifetime Warranty Product Description Celestron’ s SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars. Ideal for astronomical viewing or for terrestrial ( land) use, especially over long distances. SkyMaster models feature high quality BAK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. Specification Diameter : 80 mm ( 3.15 in) Magnification : 25-125 Zoom x Weight ( oz) : 76 oz ( 2155 g) Angular Field of View ( deg) : 1.25 ° Linear Field of View ( @ 1000 yds) : 65 ft ( 20 m) Exit Pupil ( mm) : 3.2 mm ( 0.13 in) Eye Relief ( mm) : 13 mm ( 0.51 in) Near Focus : 98 ft ( 30 m) Prisms : BaK-4 Optical Coatings : Multi-Coated Weather Proof : Weather Resistant Tripod Adaptable : Built-in