SkyMaster 15-35x70mm Zoom Porro Binoculars
Item #: 71013
Warranty: Limited Lifetime
- 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
Overview
- 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
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Description
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
| General | |
|---|---|
| Magnification: | 15-35x |
| Objective Lens Diameter: | 70mm (2.75") |
| Focal Length of Objective Lens: | 279.62mm (11") |
| Angular Field of View: | 2.2° |
| Linear Field of View (@1000 yds) / @1000 m): | 111 ft (38.4 m) @15x |
| Exit Pupil: | 4.7 @15x / 2.0 @35x |
| Eye Relief: | 20.3mm @15x |
| Close Focus: | 73.8 ft (22.5 m) |
| Interpupillary Distance (max): | 72mm (2.83") |
| Interpupillary Distance (min): | 56mm (2.20") |
| Diopter Adjustment Range: | -4 to +10 |
| Twilight Factor: | 37.41 |
| Relative Brightness: | 12.25 |
| Limiting Stellar Magnitude: |
Ideal: 11.73 Moderate: 10.73 Poor: 9.73 |
| Lens Coatings: | Multi-Coated |
| Prism Glass (Type): | BaK-4 |
| Prism Coatings: | N/A |
| Weight: | 53oz (1503 g) |
| Environmental Protection: | Water Resistant |
| Nitrogen Filled: | No |
| Tripod Adaptable: | Yes |
| Carrying Case: | Nylon |
| Dimensions: | 228mm x 120mm x 300mm (9.0" x 4.7" x 11.8") |
| Included Items: |
Objective lens caps Tripod adapter Rainguard Carrying case Neck strap Lens cloth Instruction manual |
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