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Specification
: professional 220mm/8.8"inch refractor
telescope with German heavy duty pedestal stand
1. Optical System ---
1) main ray route : bi-separated eliminating
chromatic aberration refracting system
Aperture : 220mm/8.8"inch
Focal length (f) : 2700mm/108"inch
Field
of view : 40'
Faintest
discernible stars : 14M
2)
bi-separated eliminating chromatic aberration
refracting system
Aperture : 100mm/40"inch
Focal length (f) :
1200mm/48"inch
Field of view :
1กใ
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 5กใ
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 : 60กใ/minute
Slow
conduct : 1-3กใ/minute
Tiny
conduct : 1-3'/minute
Lasting conduct
: 15'/minute
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