14.5 inch Ritchey Chretien
 
 The Ritchey Chretien telescope is a Cassegrain telescope without coma and a large field of view
The RC has a hyperbolic primary and secundary, is used in the larger observatory telescopes
like the 10 m. Keck telescope and the 2.4m. Hubble telescope.
For extensive information see also the web-site of Oldham Optical .
 
 
 
   Primary diameter: 350mm.
Material: Low expansion glass
Accuracy: <1/10 PTV
Tubelength: 1000mm.
Focal Ratio: F8
Comafree field of view: 44mm
Secondary diameter: 120mm
Focuser: 2 inch
Viewfinder: 10x50
3 Mirror cooling fans