Celestron Skymaster 15X70 Binocular - Black

• 15x magnification porro prism binocular • Large 70 mm objective lens • Linear Field of View (@1000 yds) / @1000 m): 231 ft (77 m) • Close Focus: 43 ft (13 m) • Diopter Adjustment Range: -4 to +8 • Twilight Factor: 32.4 • Ultra sharp focus across the field of view • Multi-Coated optics for sharp, clear views • Suitable for terrestrial or astronomical viewing • Protective rubber covering for ultra-firm grip • Large center focus knob for easy focusing • Tripod adapter included • Long eye relief ideal for eyeglass wearers • Carrying case included for travel and safe storage