Celestron AstroMaster 90AZ Telescope

Product code: 21063-CGL
in stock
£249.99 UK Price
£208.33 (ex. VAT) International Price
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Product information

Discover our Solar System with the Celestron AstroMaster 90AZ! Youll be ready to observe in minutes thanks to the quick and easy no-tool setup. The 90AZ provides bright, clear images of the Moon, planets, star clusters, and more for great nighttime viewing.

Manual Alt-Azimuth telescope

Navigate the sky with a pan handle Alt-Az control with clutch for smooth and accurate pointing. Move the clutch in an up/down, left/right fashion to track your object in the eyepiece.

Accessories Included

Accessories include a 20mm and 10mm eyepiece, an erect image diagonal, and a Starpointer finderscope. The two eyepieces offer different magnifications for low and high powered views. 

Starry Night Software

Download Celestrons Starry Night Software and learn about the night sky, celestial objects, and how to plan your next observing session. Celestron Starry Night Software is the premier astronomy software package on the market, providing resources and knowledge to view our solar system and beyond. 


  • Optical Design Refractor
  • Aperture 90mm (3.54")
  • Focal Length 1000mm (39")
  • Focal Ratio f/11
  • Focal Length of Eyepiece 1 20mm (.8")
  • Magnification of Eyepiece 1 50x
  • Focal Length of Eyepiece 2 10mm (.4")
  • Magnification of Eyepiece 2 100x
  • Barlow Lens Not Included
  • Finderscope StarPointer red dot finderscope
  • Star Diagonal Erect Image Diagonal - 1.25"
  • Optical Tube Aluminum
  • 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-5 Dovetail bar


  • Mount Type Manual Alt Azimuth
  • 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-5 saddle plate
  • Software Starry Night Basic Edition | SkyPortal App
  • Total Kit Weight TBD
  • Included Items Optical tube | Tripod and mount (preassembled) | 20 mm eyepiece | 10 mm eyepiece | Red-dot finderscope | Erect image 90° diagonal | Manual

Product Info

Brand Celestron
Product Code 21063-CGL
Delivery Weight Package