CelestronSkymaster 20x80

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.

Specification

Magnification: 20x

Objective Lens Diameter: 80mm (3.15")

Angular Field of View: 3.7°

Linear Field of View (@1000 yds) / @1000 m): 195 ft (65 m)

Exit Pupil: 4mm (.15")

Eye Relief: 18mm (.71")

Close Focus: 108 ft (33 m)

Interpupillary Distance (max): 72mm (2.83")

Interpupillary Distance (min): 56mm (2.20")

Diopter Adjustment Range: -4 to +8

Twilight Factor: 40

Relative Brightness: 16

Limiting Stellar Magnitude: Ideal: 12.02 | Moderate: 11.02 | Poor: 10.02

Lens Coatings: Multi-Coated

Prism Glass (Type): BaK-4

Prism Coatings: N/A

Weight: 2126 g

Environmental Protection: Water Resistant

Nitrogen Filled: No

Tripod Adaptable: Yes

Carrying Case: Nylon

Dimensions: 228mm x 120mm x 325mm (9.0" x 4.7" x 12.8")

In The Box

Objective lens caps

Rainguard

Carrying case

Neck strap

Lens cloth

Instruction manual