Телескопы Библиотека Статьи Архивы Работа сайта
A custommade Telescope with
diffrent possibility of mechanics, optics are in each
type the same:
all versions have the basic standart of : baffled dewcap, mountplate, tubehandles, piggyback camera mount,8*50 Finder |
Technical Specification | Value | Delivery |
---|---|---|
Clear Aperature | 304 mm | custommade with your requirements in woodbox |
diameter of primary | 320 mm | |
Focallength | 3.800 mm | |
diameter of secondary incl. Baffle | 88 mm | |
tubediameter of non baffled version | 340 mm | |
photografic field | 60 mm | |
tubediameter of fully baffled tube | 370 mm | |
tubelength | 880 mm | |
tubeweight of version with 3" Focuser | 30 kg | |
tubeweight of version with moving primary | 35 kg | |
max. Magnification | ||
Finder w/ quick relay bracket | 8*50 | |
quality warranted | diffraction limited, possible orders for 1/6 and 1/8 wavefront p.t.v. |
Mirrors made from Astrosital with Al*SiO2 coating.
Последнее обновление: 07 Февраль 2001 г.