48-inch reflecting telescope of the Carl Zeiss Jena company
48-inch (122-centimeter) telescope of the Carl Zeiss company is the oldest telescope of the Crimean Observatory. The control system of the telescope is currently being modernized.
| Primary mirror diameter | 1.22 m |
| Focal length | 8.4 m |
| Optical systems | Cassegrain focus (f/20) |
| Equipment | |
| Coordinates | 44°43′37″ N; 34°00′56″ E |