Celestron SkyMaster 18 - 40x80 Zoom Binoculars
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- Lower magnification (relative to discontinued # 71020 binocular) 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
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.
Specifications:
- Angular Field of View: 18: 1.9°
- Close Focus Distance: 18x: 106.2 ft. / 32.4m
- Exit Pupil (mm): 4.4 @ 18x: 2.0 @ 40x
- Eye Relief (mm): 20.3 @ 18x
- Linear Field of View: 18x: 96.0 ft. @ 1,000 yds. / 33.2m @ 1000m
- Magnification (x): 18-40x
- Objective Lens Diameter (mm): 80 mm
- Optical Coatings: Multi-Coated
- Prism Glass (Type): BaK-4
- Relative Brightness: 10.24
- Tripod Adaptable: Yes
- Twilight Factor: 44.72
- Weatherproof: Water Resistant
- Weight (oz): 76 oz (2155 g)
Product carries full 2 year Celestron factory limited warranty (within US/Canada only).
Other Information
- Country of Manufacture: China
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.
Specifications:
- Angular Field of View: 18: 1.9°
- Close Focus Distance: 18x: 106.2 ft. / 32.4m
- Exit Pupil (mm): 4.4 @ 18x: 2.0 @ 40x
- Eye Relief (mm): 20.3 @ 18x
- Linear Field of View: 18x: 96.0 ft. @ 1,000 yds. / 33.2m @ 1000m
- Magnification (x): 18-40x
- Objective Lens Diameter (mm): 80 mm
- Optical Coatings: Multi-Coated
- Prism Glass (Type): BaK-4
- Relative Brightness: 10.24
- Tripod Adaptable: Yes
- Twilight Factor: 44.72
- Weatherproof: Water Resistant
- Weight (oz): 76 oz (2155 g)
Product carries full 2 year Celestron factory limited warranty (within US/Canada only).
| Manufacturer | Celestron |
|---|---|
| Objective Lens Diameter | 80mm |
| Magnification | 18-40x |
| Exit Pupil | 4.4mm @ 18x: 2.0mm @ 40x |
| Field of View (Angular) | 18: 1.9° |
| Field of View (Linear) | 18x: 96.0 ft. @ 1,000 yds. / 33.2m @ 1000m |
| Coatings | Multi-Coated |
| Eye Relief | 20.3 @ 18x |
| Case | Yes |
| Objective Lens Cover | Yes |
| Ocular Lens Cover | Yes |
| Waterproof | Resistant |
| Tripod Adaptable | Yes |
| Weight | 76oz |
| Warranty | Limited Lifetime Warranty |
- Lower magnification (relative to discontinued # 71020 binocular) 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
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.
Specifications:
- Angular Field of View: 18: 1.9°
- Close Focus Distance: 18x: 106.2 ft. / 32.4m
- Exit Pupil (mm): 4.4 @ 18x: 2.0 @ 40x
- Eye Relief (mm): 20.3 @ 18x
- Linear Field of View: 18x: 96.0 ft. @ 1,000 yds. / 33.2m @ 1000m
- Magnification (x): 18-40x
- Objective Lens Diameter (mm): 80 mm
- Optical Coatings: Multi-Coated
- Prism Glass (Type): BaK-4
- Relative Brightness: 10.24
- Tripod Adaptable: Yes
- Twilight Factor: 44.72
- Weatherproof: Water Resistant
- Weight (oz): 76 oz (2155 g)
Product carries full 2 year Celestron factory limited warranty (within US/Canada only).
Other Information
- Country of Manufacture: China
| Manufacturer | Celestron |
|---|---|
| Objective Lens Diameter | 80mm |
| Magnification | 18-40x |
| Exit Pupil | 4.4mm @ 18x: 2.0mm @ 40x |
| Field of View (Angular) | 18: 1.9° |
| Field of View (Linear) | 18x: 96.0 ft. @ 1,000 yds. / 33.2m @ 1000m |
| Coatings | Multi-Coated |
| Eye Relief | 20.3 @ 18x |
| Case | Yes |
| Objective Lens Cover | Yes |
| Ocular Lens Cover | Yes |
| Waterproof | Resistant |
| Tripod Adaptable | Yes |
| Weight | 76oz |
| Warranty | Limited Lifetime Warranty |