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.
| Magnification |
18-40x |
| Objective Lens Diameter |
80mm (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) |
72mm (2.83") |
| Interpupillary Distance (min) |
56mm (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 |
228mm x 120mm x 355mm (9.0" x 4.7"x 14.0") |
- 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
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Objective lens caps| Rainguard| Carrying case| Neck strap| Lens cloth| Instruction manual
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