The SkyMaster 25x70 roof prism binocular from Celestron can be used for terrestrial or astronomical viewing - it's large, powerful, and fun to use.
The SkyMaster is a cost-effective optic with a huge aperture and a lightweight price tag. It's designed for use with a tripod - and a tripod adapter is included.
Featuring high-quality BAK4 prisms and multicoated lenses, the SkyMaster offers excellent sharpness and clarity across the entire field of view.
Key Features
Optical Performance
- AFOV: 67.5°
- 25x magnification BAK4 porro prism design
- Eye relief suitable for eye/sunglass wearers
- Multi-Coated lenses: enhanced contrast and sharp focus across the field of view
- Large 70 mm objective lens increases brightness in low-light and long-range situations
Use and Handling
- Tripod adapter included
- Weather resistant housing
- Large centre focus knob ensures easy focusing
- Protective rubber covering provides a secure grip
- Suitable for terrestrial and astronomical viewing
Specifications
| Prism Type |
Porro |
| Magnification |
25x |
| Objective Lens Diameter |
70mm |
| Angle of View |
2.7° |
| Field-of-View |
141.0' @ 1000 yd / 46.81 m @ 1000 m |
| Minimum Focus Distance |
75.0' / 22.86 m |
| Exit Pupil Diameter |
2.8 mm |
| Eye Relief |
13 mm |
| Interpupillary Adjustment |
58 - 72 mm / 2.28 - 2.83" |
| Dioptric Correction |
Not Specified By Manufacturer |
| Focus Type |
Centre |
| Tripod Mount |
None |
| Dimensions |
10.0 x 3.6 x 12.6" / 25.40 x 9.14 x 32.00 cm |
| Weight |
52 oz / 1.47 kg |
