Celestron AstroMaster 90EQ Telescope

The Celestron AstroMaster 90EQ Telescope offers clear, detailed views of the Moon, planets, and star clusters, making it ideal for engaging science lessons and astronomy clubs in primary, secondary, and college settings. Designed for easy setup and precise tracking, it supports both beginners and more advanced learners in exploring the night sky.

• Refractor optical design with 90mm aperture and 1000mm focal length

• Manual German equatorial mount for accurate object tracking

• Includes 20mm and 10mm eyepieces for 50x and 100x magnification

• Adjustable steel tripod with accessory tray; height range 812.8mm–1295.4mm

• Multi-coated optics for enhanced image clarity

• Pack includes optical tube, tripod, mount, finderscope, and Starry Night Basic software

  Specification

• 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