Celestron SKU: 31057 | Helix SKU: CT31057
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.
Optical Design | Newtonian Reflector |
---|---|
Aperture (mm) | 150 mm (5.91 in) |
Focal Length | 750 mm (30 in) |
Focal Ratio | 5 |
Focal Length of Eyepiece 1 (mm) | 25 mm (0.98 in) |
Magnification of Eyepiece 1 | 30 x |
Finderscope | 6x30 |
Mount Info: | |
Mount Type | Omni CG-4 Equatorial |
Tripod Leg Diameter | 1.75" Stainless |
Highest Useful Magnification | 354 x |
Lowest Useful Magnification | 21 x |
Limiting Stellar Magnitude | 13.4 |
Resolution (Rayleigh) | 0.93 arc seconds |
Resolution (Dawes) | 0.77 arc seconds |
Light Gathering Power (Compared to human eye) | 459 x |
Apparent Field of View | 1.67 ° |
Linear Field of View (@1000 yds) | 88 ft (27 m) |
Optical Coatings | StarBright XLT |
Optical Tube Length | 26.5 in (673 mm) |
Optical Tube Weight | 12 lbs (5.44 kg) |
Tripod Weight | 12.5 lbs (5.67 kg) |
Weight of Counterweights | 7 lbs (3.2 kg) and 4 lbs (1.8 kg) |
Warranty | 2-year Telescope Warranty |