Description
: Observatory class 220mm (8.8-inch)
refractor with a German Equatorial Mount on a heavy
duty pier.
Main Optical Tube Assembly
Air-spaced Apochromat in a closed tube system. Multiple focus points to
facilitate the
mounting
of various accessories and imaging devices.
Aperture :220mm/8.8"inch
Focal length (f) : 2700mm (108-inch),
f/12.3
Field of View (FOV):40'
Angular Resolution (Resolving Power) : 0.52arcsec
Maximum Useful Magnification : 433X
Limiting Magnitude : 15.6
Guidescope
Air-spaced Apochromat
Aperture : 100mm (4-inch)
Focal length (f) : 1200mm (48"inch),
f/12
Field of View (FOV): 1°
Angular Resolution (Resolving Power) : 1.145
arcsec
Maximum Useful Magnification : 197X
Limiting Magnitude : 13.9
Finderscope
2-element Air-spaced Achromat
Aperture :: 80mm (3.2-inch)
Focal length (f) : 500mm (20-inch),
f/6.25
Field of View (FOV): about 5°
Mount
German Equatorial on a heavy duty pedestal stand
Drive System : SCM (Single Chip
Microcontroller) with stepper motors.
Slewing Speeds :
Fast Slew... 60°/minute
Slow Slew : 1-3°/minute
Micro-slew : 1-3'/minute
Guide Slew : 15'/minute
|
