Description
: Observatory class 200mm (8-inch)
refractor with a German Equatorial Mount on a heavy
duty pier.
1. Optical System ---
1) main ray route : bi-separated eliminating chromatic aberration refracting
system
Aperture : 216mm/8.5"inch
Focal length (f) : 2700mm/108"inch
Field of view : 40'
Faintest discernible stars : 13.4M
2)
bi-separated eliminating chromatic aberration refracting system
Aperture : 100mm/4"inch
Focal length (f) : 1200mm/48"inch
Field of view : 1°
3) Finder scope
bi-separated eliminating chromatic aberration refracting system
Aperture : 80mm/3.2"inch
Focal length (f) : 500mm/20"inch
Field of view : about 5°
2. Mechanical System ---
1) Pedestal : German tyle heavy duty pedestal
stand
2) Scope tube : close scope tube, there are multi-interfaces
to different receiver in order to adapt to different demand
3) Electric control system : adapt to SCM (Single
Chip Micyoco) control system with stepping electric
Speed technical parameters as follows -
Speedy conduct : 60°/minute
Slow conduct : 20°/minute
Tiny conduct : ±20"/minute
Lasting conduct : 15'/minute |