Celestron Skymaster 20x80 Binoculars
Celestrons 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. Each SkyMaster model features 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.
For maximum stability and secure optical alignment, the 80 mm and 100 mm SkyMaster models feature enhanced structural reinforcement to the main binocular body. As an additional convenience, the 80 mm and 100 mm SkyMaster models also include an integral super rigid photo tripod adapter. The SkyMaster Series binoculars are built to provide years of magnificent views of the world around you and the heavens above.
General Details:
- 20x magnification porro prism binocular
- Giant 80mm objective lens offers maximum image brightness in low-light and long-range conditions
- Four-element objective lens for 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 know for easy focusing
- Integrated tripod adapter rod for ultra-stable tripod mounting
- Long eye relief ideal for eyeglass wearers
- Deluxe padded carrying case included for travel and safe storage
TECHNICAL SPECIFICATIONS:
- Optical Design: Porro
- Objective Lens Diameter (mm): 80 mm
- Magnification (x): 20x
- Angular Field of View: 3.7°
- Exit Pupil (mm): 4 mm
- Eye Relief (mm): 18 mm
- Close Focus : 108 ft (33 m)
- Optical Coatings: Multi-Coated
- Weight (oz): 75 oz (2126 g)
- Prism Glass (Type): BaK-4
- Twilight Factor: 40
- Relative Brightness: 16
- Weatherproof: Water Resistant
