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Celestron SKYMASTER 18-40X80 ZOOM BINOCULAR
- Manufacturer: Celestron
- MPN: 71021
- SKU: CEL-71021
- Last price was: $219.95
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Availability: Backorder
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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. SkyMaster models feature 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.
- Lower magnification allows the user to locate a subject more easily and then zoom in for a close-up view
- Multi-coated optics enhances sharpness of detail and crispness of color
- High quality BaK-4 prisms provide higher light transmission for better viewing in low light conditions
- Large objective diameter provides a comfortable viewing aperture at high magnification levels
- Long eye relief for more comfortable for all users; essential for those wearing eyeglasses while viewing
- Diopter adjustment allows for refinement of image to correct for any differences in strength between the users own eyes
- Tripod adapter included to mount the binocular on a tripod for prolonged viewing sessions or simply for increased stability while observing
- Limited Lifetime Warranty
| Magnification | 18-40x |
| Objective Lens Diameter | 80 mm (3.15") |
| Angular Field of View | 18: 1.9° |
| Linear Field of View (@1000 yds) / @1000 m) | 96 ft (33.2 m) @18x |
| Exit Pupil | 4.4 @18x / 2.0 @40x |
| Eye Relief | 20.3 @18x |
| Close Focus | 106.2 ft (32.4 m) @18x |
| Interpupillary Distance (max) | 72 mm (2.83") |
| Interpupillary Distance (min) | 56 mm (2.20") |
| Diopter Adjustment Range | -4 to +10 |
| Twilight Factor | 44.72 |
| Relative Brightness | 10.24 |
| Lens Coatings | Multi-Coated |
| Prism Glass (Type) | BaK-4 |
| Prism Coatings | N/A |
| Weight | 76 oz (2155 g) |
| Environmental Protection | Water Resistant |
| Nitrogen Filled | No |
| Tripod Adaptable | Yes |
| Carrying Case | Nylon |
| Dimensions | 228 mm x 120 mm x 355 mm (9.0" x 4.7"x 14.0") |
| Included Accessories | Objective lens caps| Rainguard| Carrying case| Neck strap| Lens cloth| Instruction manual |