Discover our Solar System with the Celestron AstroMaster 90EQ! You'll be ready to observe in minutes thanks to the quick and easy no‐tool setup
The 90EQ provides bright, clear images of the Moon, planets, star clusters, and more for great night‐time viewing
The AstroMaster mount comes with two slow motion control knobs that allow you to make fine pointing adjustments to the telescope in both Right Ascension and Declination axes, also referred to as RA and DEC
Manual German equatorial mount with setting circles ‐ to locate and track sky objects
Adjustable, full height steel tripod with deluxe accessory tray
Quick and easy no‐tool setup
Accessories include a 20mm and 10mm eyepiece, erect image diagonal, and a finderscope
Download Starry Night Basic Software with a 36,000 object database, printable sky maps and enhanced images including 3D renderings of stars, exoplanets, and galaxiesAccessories include a 20mm and 10mm eyepiece, erect image diagonal, and a finderscope
The two eyepieces offer different magnifications for low and high‐powered views
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
Finderscope: Built‐on StarPointer
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”)
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 (3447.3 g)
Slew Speeds: Manual
Dovetail Compatibility: CG‐3 saddle plate
Software: Starry Night Basic Edition | SkyPortal App Included Items: Optical tube | Tripod and mount (preassembled) | 20mm eyepiece | 10mm eyepiece | Red‐dot finderscope | Manual
