|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
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