AstroMaster 90 EQ Telescope - 21064
Celestron
From $299.95
2 stores
The Celestron AstroMaster 90 EQ is a 90mm achromatic refractor telescope designed as an ideal entry-level instrument for beginner astronomers seeking lunar, planetary, and bright deep-sky observation. Featuring a German equatorial mount with manual slow-motion controls and setting circles, this telescope delivers crisp, high-contrast views of Saturn's rings, Jupiter's moons, and lunar detail with multicoated optics for enhanced brightness and clarity. The complete system assembles tool-free and includes quality 10mm and 20mm eyepieces providing 100x and 50x magnification respectively, making it excellent for both celestial viewing and daytime terrestrial use with its erect-image diagonal.
Specifications
| Focal ratio | f/11 |
| Eyepiece 2 Magnification | 100 |
| Optical Tube Length | 914 mm |
| Limiting Stellar Magnitude | 12.3 |
| Warranty | 2 |
| Optical design | Achromatic Refractor |
| Mount type | German Equatorial (CG-3) |
| Maximum Useful Magnification | 213 |
| Light Gathering Power | 165 |
| Aperture | 90 mm |
| Eyepiece 1 Magnification | 50 |
| Optical Coatings | Multi-Coated |
| Resolution (Rayleigh) | 1.55″ |
| Tripod Material | Steel |
| Focal length | 1000 mm |
| Eyepiece 2 Focal Length | 10 mm |
| Weight | 11.3 lb |
| Resolution (Dawes) | 1.29″ |
| Tripod Leg Diameter | 1.25 in |
| Eyepiece 1 Focal Length | 20 mm |
| Focuser | 1.25 inch Rack and Pinion |
| Minimum Useful Magnification | 13 |
| Finderscope | Red Dot StarPointer |