Celestron Skymaster 20X80 Binocular - Black

• 20x magnification porro prism binocular • Giant 80 mm objective lens • Linear Field of View (@1000 yds) / @1000 m): 195 ft (65 m) • Close Focus: 108 ft (33 m) • Diopter Adjustment Range: -4 to +8 • Twilight Factor: 40 • 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 • Integrated tripod adapter rod for ultra-stable tripod mounting • Long eye relief ideal for eyeglass wearers • Soft carrying case included for travel and safe storage