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SKU #: CES1117

Celestron AstroMaster 90AZ Refractor Telescope

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Celestron AstroMaster 90AZ Refractor Telescope

If you're looking for a dual-purpose telescope appropriate for both terrestrial and celestial viewing, then the AstroMaster Series is for you. Each AstroMaster model is capable of giving correct views of land and sky. The AstroMaster Series produce bright, clear images of the Moon and planets. It is easy to see the moons of Jupiter and the rings of Saturn with every one of these fine instruments. For views of the brighter deep space objects like galaxies and nebulae, the larger aperture and light gathering ability of the Newtonian is recommended.


  • Quick and easy no-tool setup
  • Permanently mounted StarPointer
  • Erect image optics ideal for terrestrial and astronomical use
  • Quick release dovetail attachment - no tool setup
  • Pan handle Alt-Az control with clutch - for smooth and accurate pointing
  • Tripod with 1.25" steel tube legs provides a rigid and stable platform
  • All coated glass optics for clear, crisp images
  • Deluxe accessory tray for convenient storage of accessories
  • "The SkyX – First Light Edition" astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images
  • Optical Design: Refractor
  • Finderscope: Built-on starpointer
  • Mount: Altazimuth
  • Optical coatings: Multi coated
  • Tube attachment: Dovetail bar
  • Specification: Focal ratio: 11
  • Specification: Magnification 1: 50 x
  • Specification: Magnification 2: 100 x
  • Specification: Highest useful magnification: 213 x
  • Specification: Lowest useful magnification: 13 x
  • Specification: Limiting stellar magnitude: 12.3
  • Specification: Resolution (dayleigh): 1.55 arc seconds
  • Specification: Resolution (dawes): 1.29 arc seconds
  • Specification: Light gathering power: 165 x
  • Specification: Angular field of view (deg): 1 °
  • Star diagonal: Erect image diagonal
  • 2 Year warranty


  • Overall: 55" H x 41" W x 36" D
  • Overall Product Weight: 20lbs

Celestron AstroMaster 90AZ Refractor Telescope

Additional Documents

Weights & Dimensions

  • Overall: 55" H x 41" W x 36" D
  • Linear field of view (1000 yds): 53 ft (16 m)
  • Eyepiece Diameter: Eyepiece 1: 20mm
  • Eyepiece Diameter: Eyepiece 2: 10mm
  • Overall Product Weight: 20lbs


Telescope Type: RefractingColor: Blue, Black
User Level: BeginnerUsage: Galaxies/Star cluster; Planet; Moon
Aperture Size: 90 MillimetersMagnification: Eyepiece 1: 50
Magnification: Eyepiece 2: 100Focal Length: 1000 Millimeters
GPS Technology: NoGoTo Technology: No
Tripod/Base Included: Yes
  • Mount Type: Altazimuth
Star Diagonal Included: Yes
  • Star Diagonal Size: 1.25 Inches
Country of Manufacture: China 


Product Warranty: 2 Year 

About the Manufacturer

Throughout the world, Celestron telescopes have become the "telescope of choice" for the consumer that can differentiate between brands. Major colleges and universities worldwide use Celestron telescopes in their astronomy programs. Moreover, its solid and esteemed reputation in the scientific community has reached NASA, who selected the Celestron C5 telescope as the telescope to be taken on several space shuttle research missions.

Celestron AstroMaster 90AZ Refractor Telescope

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    OUR SKU # CES1117

    AstroMaster 90AZ Refractor Telescope is also sometimes listed under the following manufacturer numbers: 21063