Explore our solar system with Celestron's AstroMaster 90AZ! You'll be ready to monitor in minutes thanks to quick and easy tool-free installation. The 90AZ offers bright, clear images of the moon, planets, constellations and more for excellent night viewing.

Manual Alt-Azimuth Telescope

Navigate the skies with the pan-handled Alt-Az controller with a switch for smooth and precise targeting. Move the switch up/down, left/right to track your target in the eyepiece.

Included accessories

Accessories include 20mm and 10mm eyepieces, a corner mirror and a Starpointer finder. Both eyepieces offer different magnifications for low and high power sights.

Starry Night software

Download Celestron's Starry Night software and learn about the night sky, celestial bodies and how to plan your next observing session. Celestron's Starry Night software is the industry's leading astronomy software package that provides resources and information on how to observe our solar system and beyond.

90mm lens telescope with fully coated glass optics and a lightweight body.
Monitor in no time with quick and easy assembly that requires no tools
Accessories include: two eyepieces (20 mm and 10 mm), corner mirror and viewfinder.
Alt-Az control with pan handle and switch for smooth and precise targeting.
Stand with adjustable height
Download Starry Night Basic software, which includes a database of 36,000 objects, printable sky maps, and enhanced images, including 3D renderings of stars, exoplanets, and galaxies

Technical information

Focal length (mm): 1000
Optical coating: MC
Model of Telescope: Entry Level
Type of telescope: Refractor
Telescope Aperture: f/11
Resolution (Rayleigh): 1.55 arc seconds
Resolution (Dawes): 1.29 arc seconds
Eyepiece 1 - Magnification: 50x
Eyepiece 2 - Magnification: 100x
Eyepiece 1 - Focal length: 20mm
Eyepiece 2 - Focal length: 10mm
Tripod mount type: Alt Azimuth
Maximum height (mm): 1296
Minimum height (mm): 813
Lens diameter (mm): 90