Celestron SKU: 21074 | Helix SKU: CT21074
Looking for a portable and easy to assemble telescope for celestial viewing? Then the AstroMaster Series is just for you! The AstroMaster Series produces bright, clear images of the Moon and planets. Easily observe the belts and moons of Jupiter and the rings of Saturn with every one of these fine instruments. For breathtaking views of brighter deepspace objects like galaxies and nebulae, we recommend the larger aperture and light-gathering ability of the Newtonian Reflector.
Aperture (mm) | 70 mm (2.76 in) |
Apparent Field of View | 1.7 " |
Finderscope | Built-on StarPointer |
Focal Length | 700 mm (28 in) |
Focal Length of Eyepiece 1 ... | 20 mm (0.79 in) |
Focal Length of Eyepiece 2 ... | 10 mm (0.39 in) |
Focal Ratio | 10 |
Highest Useful Magnification | 165 x |
Light Gathering Power (Comp... | 100 x |
Limiting Stellar Magnitude | 11.7 |
Linear Field of View (@1000... | 89 ft (27 m) |
Lowest Useful Magnification | 10 x |
Magnification of Eyepiece 1 | 35 x |
Magnification of Eyepiece 2 | 70 x |
Mount Info: | N.A. |
Mount Type | Altazimuth |
Optical Coatings | Fully-Coated |
Optical Design | Refractor |
Optical Tube Info: | N.A. |
Optical Tube Length | 28 in (711 mm) |
Resolution (Dawes) | 1.66 arc seconds |
Resolution (Rayleigh) | 1.99 arc seconds |
Telescope Type | Manual |
Total Telescope Kit Weight | 16 lbs (7.26 kg) |
Tripod | 1" steel tubes |
Warranty | 2-year Telescope Warranty |