Celestron - SkyMaster 20x80 Binocular

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. 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.
20x magnification porro prism binocular
Giant 80 mm 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
No Fault Warranty provides best
protection and product support on the market
OPTICAL DESIGN: Porro 
DIAMETER: 80 mm
(3.15 in)
MAGNIFICATION: 20 x
ANGULAR FIELD OF VIEW: 3.2 °
LINEAR FIELD OF
VIEW (@1000 YDS): 167.568 ft (51.07 m)
EXIT PUPIL: 4 mm (0.16 in)
EYE RELIEF: 17
mm (0.67 in)
NEAR FOCUS (BINOCULARS): 80 ft (24.38 m)
PRISMS: BAK4 
OPTICAL
COATINGS: Multi-Coated 
CAPS: Yes 
STRAP: Yes 
CARRYING CASE:
Padded Nylon 
WEATHER PROOF: Water Resistant 
WEATHER PROOF: Built-in

WEIGHT: 94 oz (2664.86 g)