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Proffesional observatory class telescopes, custommade with all requirements of the customer, in general an scaled up version of the 14" Maksutov.
| Technical Specification | Value |
|---|---|
| Clear Aperature | 406 mm |
| diameter of primary | 425 mm |
| Focallength | from F/10 to F/20 |
| diameter of secondary incl. Baffle | depends on focallength |
| tubediameter | 460 mm |
| tubelength | depends on focallength [110 kg to 150 kg] |
| tubeweight | depends on focallength |
| photografic field | 70 mm |
| quality warranted | diffraction limited, possible orders for 1/6 and 1/8 wavefront p.t.v. |

Последнее обновление: 07 Февраль 2001 г.