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Hubble Optics 20" f/4.2 Ultra Light Dobsonian
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Telescope or lens
Hubble Optics 20" f/4.2 Ultra Light Dobsonian
hubbleoptics.com/.../UL20.html
| Type | Reflector: Newtonian |
|---|---|
| Diameter | 508 mm |
| Focal length | 2134 mm |
| Weight | 35.00 kg |
| Users | 0 |
| Images | 0 |
| Most often used with | There doesn't seem to be anything here. |