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Celestron 21079 Cometron 114AZ Telescope

Item Number: 3153327

Price: $179.95




- Features a parabolic mirror for sharp images

- Great for comet viewing

- Includes Alt-azimuth mount and steel tripod

 



Stargaze Anywhere with a Large-Aperture Reflector


The Cometron 144 AZ's large-aperture reflector design collects lots of light for great detail. It's fast focal ratio provides a wide field of view ideal for observing bright comets, galaxies, and star clusters. Fully coated glass optics make for clear, crisp images and the quality optical design uses a parabolic mirror for the sharpest image and ultra-thin secondary mirror spider to minimize diffraction spikes. Featuring an Alt-azimuth mount and Red Dot StarPointer to provide smooth and accurate pointing, the Cometron' is a quick no-tool setup and  includes a rugged pre-assembled steel tripod with 1" legs.

 


 

 

 

Specs:

 

 

Optical Design Newtonian Reflector
Aperture (mm) 114 mm (4.49 in)
Focal Length 450 mm (18 in)
Focal Ratio 3.95
Focal Length of Eyepiece 1 (mm) 20mm Kellner mm (0.79 in)
Focal Length of Eyepiece 2 (mm) 10mm Kellner mm (0.39 in)
Finderscope StarPointer Red Dot Finder
Mount Type Alt-azimuth with panning handle
Tripod Adjustable, stainless steel
Tripod Leg Diameter 1.0in
Highest Useful Magnification 269 x
Lowest Useful Magnification 16 x
Limiting Stellar Magnitude 12.8
Resolution (Rayleigh) 1.22 arc seconds
Resolution (Dawes) 1.02 arc seconds
Light Gathering Power (Compared to human eye) 265 x
Secondary Mirror Obstruction 1.35 in (34 mm)
Secondary Mirror Obstruction by Area 9.05 %
Secondary Mirror Obstruction by Diameter 30 %
Optical Coatings Aluminum with SiO2
Optical Tube Length 18 in (457 mm)
Optical Tube Weight 3.8 lbs (1.72 kg)
Total Telescope Kit Weight 8.4 lbs (3.81 kg)
Mount Height (Max) 46 in (1168 mm)
Mount Height (Min) 29 in (737 mm)

 

 



SKU 3153327

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