Technical details
| Eye relief |
13 mm |
| Prism type |
BaK-4 |
| Objective diameter |
70 mm |
| Magnification |
25 x |
| Exit pupil |
2.8 mm |
Skymaster 25X70, black
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. Each SkyMaster model features 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.