Expanded Specifications Skywatcher Skyliner-250PX
| Optical Design | Newtonian (Parabolic) |
| Diameter | 254mm |
| Focal Length | 1200mm |
| Secondary Mirror Diameter | 58mm |
| F/ratio | F/4.7 |
| Highest Practical Power | 508x |
| Faintest Steller Magnitude | 14.7 |
| Resolving Power | 0.45 |
| Finderscope | 8X50 right angle |
| Focuser diameter | 2" with 1.25" adapter |
| Eyepiece(s) | 1.25" Super 25 and 10* |
| Mount Type | Dobsonian |
| Ground Board Diameter | 520×740 |
| Ground Board Weight(s) | 12.5 Kgs |
| Tube Weight | 15 Kgs |
| Tube Dimensions (dia. x length) | 380× (800-1120) |
