Product Description
Celestron AstroMaster 90EQ Refractor Telescope
The Celestron AstroMaster 90EQ is a high-quality refractor telescope designed for crisp and detailed planetary and deep-sky observations. Featuring a large 90mm aperture, a manual German equatorial mount, and a stable steel tripod, this telescope provides excellent performance for beginners and intermediate astronomers alike.
Key Features
- 90mm Refractor Telescope – Offers bright and sharp views of celestial objects.
- Quick & Easy Setup – No tools required for assembly.
- Manual German Equatorial Mount – Equipped with slow-motion control knobs for precise tracking.
- Adjustable Steel Tripod – Provides a stable and reliable observing platform.
- Two Eyepieces Included – 20mm (50x magnification) and 10mm (100x magnification) for varied views.
- Erect Image Diagonal – Enables comfortable viewing for both astronomical and terrestrial observations.
- Finderscope – Assists in quickly locating celestial objects.
- Starry Night Basic Software – Includes a 36,000-object database, printable sky maps, and 3D renderings of stars and exoplanets.
Superior Optics for Stunning Views
- 90mm Aperture – Captures more light for brighter and clearer images.
- 1000mm Focal Length – Delivers high-powered magnification with excellent detail.
- Refractor Optical Design – Provides sharp and contrast-rich views of the Moon, planets, and star clusters.
- Fully Coated Glass Optics – Enhances image brightness and contrast for crisp visuals.
Smooth & Accurate Object Tracking
The German Equatorial Mount (GEM) allows for precise tracking of celestial objects as they move across the sky. With slow-motion control knobs, you can make fine adjustments to keep objects centred in your view.
This equatorial mount is ideal for beginner astronomers who want to learn the fundamentals of celestial navigation and tracking.
Perfect for Lunar, Planetary & Deep-Sky Viewing
✔ Ideal for Observing – The Moon, Jupiter, Saturn, Mars, and Venus, as well as star clusters, nebulae, and galaxies.
✔ Suitable for Beginners & Intermediate Users – Simple to operate yet powerful enough for serious stargazing.
✔ Can Be Used for Terrestrial Viewing – Thanks to the erect image diagonal, making it a versatile choice for nature and landscape observation.
What’s in the Box?
- Celestron AstroMaster 90EQ Refractor Telescope
- German Equatorial Mount
- 20mm Eyepiece (50x magnification)
- 10mm Eyepiece (100x magnification)
- Erect Image Diagonal
- Finderscope
- Adjustable Full-Height Steel Tripod
- Deluxe Accessory Tray
- Starry Night Basic Software
- Celestron’s 2-Year Warranty
Why Choose the AstroMaster 90EQ?
- Powerful 90mm aperture for detailed planetary and deep-sky viewing.
- Easy setup and operation – no prior experience needed.
- High-quality equatorial mount for precise celestial tracking.
- Sturdy steel tripod ensures stability and vibration-free viewing.
- Includes essential accessories to start observing immediately.
The Celestron AstroMaster 90EQ is an excellent choice for aspiring astronomers, offering outstanding optics, reliable tracking, and user-friendly features at an affordable price. Whether you’re observing the craters of the Moon, the rings of Saturn, or distant galaxies, this telescope provides an incredible and immersive stargazing experience.
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| Optical Design: | Refractor |
| Aperture: | 90mm (3.54") |
| Focal Length: | 1000mm (39.37") |
| Focal Ratio: | f/11 |
| Focal Length of Eyepiece 1: | 20mm (.78") |
| Magnification of Eyepiece 1: | 50x |
| Focal Length of Eyepiece 2: | 10mm (.4") |
| Magnification of Eyepiece 2: | 100x |
| Barlow Lens: | Not Included |
| Finderscope: | Built-on StarPointer™ red dot finderscope |
| Star Diagonal: | Erect Image Diagonal - 1.25" |
| Highest Useful Magnification: | 213x |
| Lowest Useful Magnification: | 13x |
| Limiting Stellar Magnitude: | 12.3 |
| Resolution (Rayleigh): | 1.55 arc seconds |
| Resolution (Dawes): | 1.29 arc seconds |
| Light Gathering Power (Compared to human eye): | 165x |
| Optical Coatings: | Multi-Coated |
| Optical Tube Length: | 914mm (36") |
| Optical Tube Diameter: | TBD |
| Optical Tube Weight: | TBD |
| Dovetail: | CG-3 Dovetail bar |
| Mount Type: | CG-3 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: | 7.6 lbs (3.44 kg) |
| Slew Speeds: | Manual |
| Dovetail Compatibility: | CG-3 saddle plate |
| Software: | Celestron Starry Night Basic Edition Software and SkyPortal App |
| Total Kit Weight: | TBD |
| Included Items: | Optical tube Tripod and mount (preassembled) 20mm and 10mm eyepiece Red-dot finderscope Manual |
| Solar Warning |
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