SVBONY 1.25 inches 90 Degree Zenith Diagonal Mirror for Refractor and Cassegrain Telescopes Astronomical Telescope
- work with refractor and catadioptric telescopes.
- keep your lens clean for superior image fidelity.
- you can view correct image from refractor telescope stand and just look down with a comfortable angle .
- 1.25" 90 degree diagonal mirror using with refrator telescope and makes the image upright.