Sky- Watcher Dob 18 458/1900 Truss Tube
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| Weight: | 50 kg |
| Brand: | Sky-Watcher |
| Equipment: | Eyepieces 10 mm and 28 mm, finder 9x50 |
| Description: | Reflector |
| Type: | Reflector |
| Lens diameter: | 458 mm |
| Lens focal length: | 1900 mm |
| Automatic guidance: | No |
| Seeker: | Optical 9x50 |
| Mount: | Dobson |
| Optical design: | Newton |
| Relative hole: | 1:4.1 |
| Useful magnification: | 76x-916x |
| Eyepiece bore diameter: | 1.25 in. |