Search results for 'astronomy no-geoptik'
TS-Optics 8" f/12 Cassegrain 203/2436 mm
US$ 1,084.28TS 8" f/12 Cassegrain telescope with fused Quartz mirror and only 33% obstruction - the ideal alternative to a Schmidt-Cassegrain
- Aperture 8" - 203 mm
- Focal length 2436 mm
- F-ratio f/12
- Large illuminated image field with 45 mm diameter
- Hyperbolic secondary mirror and parabolic primary mirror made of Quartz glass for stable focus position
- 99% reflection on primary and secondary mirror for an even brighter image
- Quick temperature adaption due to open design
- Pure reflective system without Schmidt plate or meniscus lens - fully suitable for Infrared
- Only 33 % linear obstruction - very well suited for visual astronomy
- 2" MONORAIL focuser with micro-gear reduction and 1.25" reduction are included
- M90 extension tubes for trouble-free focusing with almost any accessories included
- Internal baffles for higher contrast
- Losmandy style dovetail and Vixen/EQ5 style dovetail for trouble-free adaption to all popular mounts
- Finder-scope shoe is also included
- Very economically priced, compared with other classical Cassegrains