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CELESTRON OMNI XLT 120 REFRACTOR TELESCOPE
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CELESTRON OMNI XLT 120 REFRACTOR TELESCOPE
#21090
Omni XLT series features the stable platform of the CG-4 mount and high quality optics. Using aspheric shaping technology in conjunction with hand-figuring the optics, the Omni XLT presents an image with virtually no spherical aberration. We also added our famous StarBright XLT coating system to further enhance light transmission.
Specifications:
Optical Design Refractor
Aperture (mm) 120 mm (4.72 in)
Focal Length (mm) 1000 mm (39 in)
Focal Ratio 8.33
Eyepiece 1 (mm) 25 mm (0.98 in)
Magnification 1 40 x
Finderscope 6x30
Mount Omni CG-4 Equatorial
Tripod Legs 1.75" Stainless
Weight (lbs) 46 lbs (21 kg)
Highest Useful Magnification 283 x
Lowest Useful Magnification 17 x
Limiting Stellar Magnitude 12.9
Resolution (Rayleigh) 1.16 arc seconds
Resolution (Dawes) 0.97 arc seconds
Light Gathering Power 294 x
Angular Field of View (deg) 1.25 °
Linear Field of View (@1000 yds) 66 ft (20 m)
Optical Coatings StarBright XLT
Optical Tube Length 40 in (1016 mm)
Optical Tube Weight 12.5 lbs (5.67 kg)
EQ Mount Weight 21 lbs (9.53 kg)
Tripod Weight 12.5 lbs (5.67 kg)
Counterweights 7 lbs (3.2 kg) and 4 lbs (1.8 kg)
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