Expanded Specifications Celestron 21049 Powerseeker 127EQ Reflector Telescope
Optical Design: | Newtonian Reflector |
Aperture: | 127mm (5") |
Focal Length: | 1000mm (39") |
Focal Ratio: | f/7.87 |
Focal Length of Eyepiece 1: | 20mm (0.79") |
Magnification of Eyepiece 1: | 50x |
Focal Length of Eyepiece 2: | 4mm (0.16") |
Magnification of Eyepiece 2: | 250x |
Barlow Lens: | 3x |
Finderscope: | 5x24 |
Highest Useful Magnification: | 300x |
Lowest Useful Magnification: | 18x |
Limiting Stellar Magnitude: | 13 |
Resolution (Rayleigh): | 1.1 arc seconds |
Resolution (Dawes): | 0.91 arc seconds |
Light Gathering Power (Compared to human eye): | 329x |
Secondary Mirror Obstruction: | 41mm (1.6") |
Secondary Mirror Obstruction by Diameter: | 32% |
Secondary Mirror Obstruction by Area: | 10% |
Optical Coatings: | Glass mirrors coated with aluminum and SiO₂ |
Optical Tube Length: | 436mm (17.2") |
Optical Tube Diameter: | 139.5mm (5.49") |
Optical Tube Weight: | 7.1 lbs (3.23 kg) |
Dovetail: | CG-3 Dovetail bar |
Mount Type: | Manual German Equatorial |
Height adjustment range (includes mount and tripod): | 812.8mm - 1295.4mm (32" - 51") |
Tripod Leg Diameter: | 31.75mm (1.25") steel |
Accessory Tray: | Yes |
Tripod Weight: | 5.9 lbs (2.68 kg) includes weight of mount |
Slew Speeds: | Manual |
Dovetail Compatibility: | CG-3 saddle plate |
Software: | Celestron Starry Night Basic Edition Software and SkyPortal App |
Total Kit Weight: | 13 lbs (5.9 kg) |
Solar Warning |
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