AstroMaster 90EQ Refractor
Celestron
From $310.95
3 stores
In stock
The Celestron AstroMaster 90EQ is a 90mm doublet refractor telescope with a 1000mm focal length and f/11 ratio, designed for lunar, planetary, and deep-sky observation. Featuring a manual German equatorial mount with slow-motion control knobs and setting circles, the telescope delivers sharp, high-contrast views ideal for beginners and intermediate astronomers. The package includes a 20mm eyepiece (50x magnification), a 10mm eyepiece (100x magnification), an erect-image diagonal for terrestrial viewing, a finderscope, and Starry Night astronomy software, making it a complete observational platform that requires no tools for setup.
Specifications
| Mount type | Manual German Equatorial Mount (CG-3) |
| Optics type | Refractor |
| Aperture | 90 mm |
| Focal ratio | f/11 |
| Optical design | Achromatic Doublet Refractor |
| Highest magnification | 100 |
| Computerized | ✗ |
| Optical Tube Length | 914 mm |
| Optical Coatings | Fully Multi-Coated |
| Focuser Type | 1.25 inch Rack and Pinion |
| Finder | Red-dot Finder Scope |
| Focal length | 1000 mm |
| Diagonal Type | Erect-Image Amici Prism |
| Lowest Magnification | 50 |
| Included Eyepieces | 20mm and 10mm |
| Weight | 25 lb |