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OVERVIEW
- High quality optics start with each lens and(or) mirror being hand selected so only the finest grade of optical glass is used
- StarBright XLT coatings provide maximized light transmission
- 25 mm multi-coated eyepiece – 20 mm eye relief, 50° FOV
- 1.25″ star diagonal
- CG-4 German Equatorial mount with setting circles and slow motion controls – to accurately locate and track sky objects
- Ball bearings in both axis of the mount for smooth performance
- Heavy-duty pre-assembled stainless steel tripod featuring 1.75″ legs, accessory tray and bubble level
- Easy no-tool setup
DESCRIPTION
SPECIFICATIONS
Optical Design | Refractor |
Aperture (mm) | 120 mm (4.72 in) |
Focal Length | 1000 mm (39 in) |
Formula:Focal Ratio | 8.33 |
Focal Length of Eyepiece 1 (mm) | 25 mm (0.98 in) |
Formula:Magnification of Eyepiece 1 | 40 x |
Finderscope | 6×30 |
Mount Type | Omni CG-4 Equatorial |
Tripod Leg Diameter | 1.75″ Stainless |
Formula:Highest Useful Magnification | 283 x |
Formula:Lowest Useful Magnification | 17 x |
Formula:Limiting Stellar Magnitude | 12.9 |
Formula:Resolution (Rayleigh) | 1.16 arc seconds |
Formula:Resolution (Dawes) | 0.97 arc seconds |
Formula:Light Gathering Power (Compared to human eye) | 294 x |
Apparent Field of View | 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) |
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 |