Celestron AstroMaster 90EQ

Brand New Includes Two Year Warranty
Returnable Item: 30 Day Guarantee i
30-Day Return Guarantee
If for any reason you are not satisfied with this product, your purchase is covered by our 30-day return policy. All contents and original packaging must be included with all returns. See all terms/conditions & restocking fee.
Ships free

  • Technical Features

Technical Features for Celestron AstroMaster 90EQ

The Celestron 21064 is a dual-purpose telescope appropriate for both terrestrial and celestial viewing. It features Built-on StarPointer Finderscope to help accurately find objects of interest without being tethered by skills and starcharts. “TheSkyX – First Light Edition” astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images.

The AstroMaster 90EQ produces 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. The rugged pre-assembled tripod with 1.25" steel tube legs provides a rigid and stable platform.

Celestron AstroMaster 90EQ 21064 Specification
  • Optical Design
  • Aperture (mm)
    90 mm (3.54 in)
  • Focal Length (mm)
    1000 mm (39 in)
  • Focal Ratio
  • Focal Length of Eyepiece 1 (mm)
    20 mm (0.79 in)
  • Magnification of Eyepiece 1
  • Focal Length of Eyepiece 2 (mm)
    10 mm (0.39 in)
  • Magnification of Eyepiece 2
  • Finderscope
    Built-on StarPointer
  • Star Diagonal
    Erect Image Diagonal - 1.25"
  • Mount
    CG-3 Equatorial
  • Tripod
    1.25" Steel Tube Legs
  • Highest Useful Magnification
  • Lowest Useful Magnification
  • Limiting Stellar Magnitude
  • Resolution (Rayleigh)
    1.55 Arc Seconds
  • Resolution (Dawes)
    1.29 Arc Seconds
  • Light Gathering Power
  • Apparent Field of View (deg)
  • Optical Coatings
    Multi Coated
  • Linear Field of View (@1000 yds)
    53 ft (16 m)
  • Optical Tube Length
    36 in (914 mm)
  • Tube Attachment
    Dovetail Bar

AstroMaster 90EQ 21064 Features:

  • 3.54 Inch Aperture (90mm)
  • Multi Coated Optical Coatings
  • 213x Maximum Magnification
  • Focal Length: 1000mm, f/11.0 Focal Ratio
  • Built-on StarPointer Finderscope
  • Steel Tube Legs Tripod
  • CG-3 Equatorial Mount
  • Quick & Easy No-Tool Setup
  • Erect Image Optics
      -Ideal For Terrestrial & Astronomical Use
  • Deluxe Accessory Tray For Convenient Storage of Accessories

Celestron 21064 Includes:
  • StarPointer Finderscope
  • 20mm Eyepiece 1.25" (magnification 50x)
  • 10mm Eyepiece 1.25" (magnification 100x)
  • Diagonal
  • Tripod & Accessory Tray

Entry level

by Mark M.

This offers reasonable value and high quality optics. The scope performs to expectations and you can improve performance with small extra cost of some additional accessories.

Much better than others

by B. Morrison

The optics on this model are fantastic. The mount is excellent and does require a little learning curve. Once you locate objects it is really easy to keep them in view.

Perfect for me

by Rick N.

I did some research and found that this model matches what I need and what I can afford. Easy to assemble and am very pleased with the details we can see on objects like the moon.

The Celestron AstroMaster 90EQ has many exciting features for users of all types. It's one of FactoryOutletStore's best selling Celestron Telescopes. You can extend the lifetime of your Celestron AstroMaster 90EQ with the purchase of a FactoryOutletStore Factory Protection Plan. See the Celestron AstroMaster 90EQ product video and gallery images above for more details. FactoryOutletStore stocks a full line of accessories like AstroMaster Accessory Kit, Celestron 93503, and Celestron Eyepiece and Filter Kit for the Celestron AstroMaster 90EQ. The Celestron AstroMaster 90EQ is sold as a Brand New Unopened Item.
Explore More > &Nbsp;Telescopes