Technical Specifications
Below is pertinent technical information on your Celestron
OPTICALTUBE: |
|
|
Optical System: | ||
Aperture: | 11" (279mm) | 14" (356mm) |
Focal Length: | 2800mm (110.2") | 3910mm (153.9") |
F/ratio: | f/10 | f/11 |
Highest Useful Power Magnification: | 660x | 840x |
Lowest Useful Power Magnification: | 42x | 50x |
Resolution (arc seconds): | 0.41 | 0.33 |
Photographic Resolution: | 200 lines/mm | 182 lines/mm |
Light Gathering Power: | 1593x | 2581x |
Limiting Visual Magnitude: | 14.7 | 15.3 |
Near Focus |
|
|
with eyepiece: | 60' | 175' |
with camera: | 60' | 225' |
Optical Tube Length: | 25" | 32" |
Weight |
|
|
Optical Tube: | 27.5 lbs. | 45 lbs. |
DECAXIS:
•All machined stainless steel and aluminum
•5.625 diameter precision bronze worm gear, 180 tooth. AGMA quality 10.
•.4375 diameter precision 303 stainless steel worm. AGMA quality 10. Dual bearing supported.
•One inch diameter solid shaft, centerless ground
•Two 2” preloaded Tapper Roller Bearings,
•Bearing preload is independent of clutch tension.
•Slip
•5.25” laser engraved setting circle, 1 degree increments.
•182 oz/in Stepper Motor
•Removable stainless steel counterweight shaft
•Dovetail saddle plate – allowing for interchanging of any tube assembly
•Instrument Weight of 60 Lbs
POLARAXIS:
•All machined stainless steel and aluminum
•5.625 diameter precision bronze worm gear, 180 tooth. AGMA quality 10.
•.4375 diameter precision 303 stainless steel worm. AGMA quality 10. Dual bearing supported.
•One inch diameter solid shaft, centerless ground
•Two 2” preloaded Tapper Roller Bearings,
•Bearing preload is independent of clutch tension.
•Slip
•5.25” driven laser engraved setting circle, 5 minute increments (Northern Hemisphere only)
•182 oz/in Stepper Motor
•Latitude adjustment 20 to 65 degrees with counterweights. Total travel is 13 to 65 degrees.
•Azimuth adjustment,
