Celestron Astromaster 90AZ Telescope
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Celestron Astromaster 90AZ Telescope - Best Deals Online!

By: Celestron

Model: 21063

Sku: YTB8G17S0Y

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Availability: Out of stock New

Availability: Out of stock

  • 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
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Discover our Solar System with the Celestron AstroMaster 90AZ! You’ll 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.

Starry Night Software

Download Celestron’s 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.

In the Box

  • Celestron Astromaster 90AZ Telescope
  • StarPointer Finderscope
  • 10mm Eyepiece
  • 20mm Eyepiece
  • 90° Erect-Image Diagonal
  • Tripod and Accessory Tray