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Astro Optik / Philipp Keller 20" Cassegrain
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Telescope or lens
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Astro Optik / Philipp Keller 20" Cassegrain
| Type | Reflector: classical Cassegrain |
|---|---|
| Diameter | 500 mm |
| Focal length | n/a |
| Weight | n/a |
| Users | 3 |
| Images | 20 |
| Most often used with | There doesn't seem to be anything here. |
Also available in the following variants: (prime focus) (secondary focus)
This item has a history of 1 approved edit proposals.