Description
SkyMaster 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.
Technical Specifications
| General Magnification: | 20x |
| Objective Lens Diameter: | 80mm (3.15") |
| Focal Length of Objective Lens: | 328.6mm (12.94") |
| 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: | 75 oz (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") |
| Included Items: | Objective lens caps Rainguard Carrying case Neck strap Lens cloth Instruction manual |
| Additional Information Solar Warning | Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result. Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present. |
Support Documents
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- How-To Videos Our video guides walk you through setup, features, and troubleshooting with helpful demonstrations from our expert staff.
- Manuals & Software Access the latest software, drivers, firmware, and product manuals all in one place.
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