Celestron SkyMaster 15 - 35x70 Zoom Binoculars

Lower magnification allows the user to locate a subject more easily and then zoom in for a close-up view Multi-coated optics enhances sharpness of detail and crispness of color High quality BaK-4 prisms provide higher light transmission for better viewing in low light conditions Large objective diameter provides a comfortable viewing aperture at high magnification levels Long eye relief for more comfortable for all users; essential for those wearing eyeglasses while viewing Diopter adjustment allows for refinement of image to correct for any differences in strength between the users own eyes Tripod adapter included to mount the binocular on a tripod for prolonged viewing sessions or simply for increased stability while observing Limited Lifetime Warranty 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. Magnification: 15-35x Objective Lens Diameter: 70mm (2.75”) Focal Length of Objective Lens: 279.62mm (11”) Angular Field of View: 2.2° Linear Field of View (1000 yds) / 1000 m): 111 ft (38.4 m) 15x Exit Pupil: 4.7 15x / 2.0 35x Eye Relief: 20.3mm 15x Close Focus: 73.8 ft (22.5 m) Interpupillary Distance (max): 72mm (2.83”) Interpupillary Distance (min): 56mm (2.20”) Diopter Adjustment Range: -4 to +10 Twilight Factor: 37.41 Relative Brightness: 12.25 Limiting Stellar Magnitude: Ideal: 11.73Moderate: 10.73Poor: 9.73 Lens Coatings: Multi-Coated Prism Glass (Type): BaK-4 Prism Coatings: N/A Weight: 53oz (1503 g) Environmental Protection: Water Resistant Nitrogen Filled: No Tripod Adaptable: Yes Carrying Case: Nylon Dimensions: 228mm x 120mm x 300mm (9.0” x 4.7” x 11.8”) Included Items: Objective lens capsTripod adapterRainguardCarrying caseNeck strapLens clothInstruction manual Solar Warning Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result. Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.