TECHNICAL SPECIFICATION
| Parameters | Value |
| Clear Aperature mm | 305 |
| Focal ratio | f/15 |
| Focallength mm | 4575±100 |
| Back focus | 15 ÷ 290 |
| Photographic field of View | 0°32' |
| Optical quality for wave length (λ) 0,63 mkm | |
| (P-V) | λ/8 or better |
| CKO (RMS) | 0,03 |
| Magnification of system | |
| with eyepiece (12mm or 21 mm) | 381/218х |
| with eyepiece and 2.4 x Barlow Lens | 914/523х |
| Central obstruction | 25% |
| Focusing | by adjustment of the main mirror |
| Material of body parts | aluminum |
| Material of primary and secondary mirrors | LK7, LK5 (Sital) with reflective aluminum coating and SiO2 protected |
| Tube (length, diameter) | 985,370 |
| Tubeweight kg | 30 |