Guan Sheng Optical

6" F/12 Classic Cassegrain

Features
Optical design: Cassegrain
Optical diameter: 153mm
Focal length: 1836mm
Focal ratio: F/12
Optics type: Hyperbolic & Parabolic mirror
Optics Material: Low thermal expansion quartz mirrors
Highest theoretical magnification: 300x
Focuser: 2" dual-speed Crayford EAF complete
Mirror Separation: 322mm
Back Working Distance: 285mm
Astro-imaging capability: Lunar & planetary
Dovetail plate: V type
Tube material: Steel
Baffle: new Multiple knife-edge baffle system

Package includes
(CC6) 6" Classic Cassegrain OTA only
1.25" Eyepieces adapter
2x25mm, 1x 50mm focus extension tube

No. 225, Wuhe St, Qionglin, Hsinchu County, Taiwan, R.O.C service@gsotelescope.com
TEL:886-3-593-6688 FAX:886-3-593-6655