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.
Magnification: | 20x |
Objective Lens Diameter: | 80mm |
Focal Length of Objective Lens: | 328.6mm |
Angular Field of View: | 3.7° |
Linear Field of View at 1000m | 65 m |
Exit Pupil: | 4mm |
Eye Relief: | 18mm |
Close Focus: | 33 m |
Interpupillary Distance (max): | 72mm |
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: | 2.2kg |
Environmental Protection: | Water Resistant |
Nitrogen Filled: | No |
Tripod Adaptable: | Yes |
Carrying Case: | Nylon |
Dimensions: | 228mm x 120mm x 325mm |
Included Items: | Objective lens caps Rainguard Carrying case Neck strap Lens cloth Instruction manual |
Solar Warning |
|