216mm large refractor telescope
China 216mm/8.5"inch refractor telescope with German heavy duty pedestal stand China 216mm/8.5"inch refractor telescope with German heavy duty pedestal stand add 216mm/8.5"inch refractor telescope with German heavy duty pedestal stand to your favorite see 216mm large refractor telescope sitemap
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Item No. NDT2700x216 require sample
 
professional 216mm/8.5"inch refractor telescope
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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 :

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

 
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