20 inch Folded Newton Open or closed tube |
Primary diameter: 508mm Material: Low expansion glass Accuracy: <1/10 wave PTV Focal Ratio: F4 Tube length: 1500mm
Electric Focuser OPTEC placed at the round secondary flat. Secondary diameter: 170mm Viewfinder: 12x60 2 eyepieces t.b.d. coma corrector Televu Tele extender 2x
The Optics are from Oldham Optical and a Certificate of Conformity is included. AWR computer controlled system. Open loop box. Intelligent handset with microstepperbox. This type of telescope was installed at a university in Thailand on German equatorial mounting with gear diam 400mm. On both axes.
Price on request |
|