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Astro Optik / Philipp Keller 20" Cassegrain (prime focus)
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Astro Optik / Philipp Keller 20" Cassegrain (prime focus)
| Variant of | Astro Optik / Philipp Keller 20" Cassegrain |
|---|---|
| Type | Reflector: classical Cassegrain |
| Diameter | 500 mm |
| Focal length | 1500 mm |
| Weight | n/a |
| Users | 3 |
| Images | 20 |
| Most often used with |
This is a variant of another equipment item. Go to base variant.
This item has a history of 1 approved edit proposals.