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Member Only Item

Celestron AstroMaster 90 EQ Dual Purpose Telescope

Item #660760


Two Eyepieces, StarPointer, German Equatorial Mount, Accessory Tray, Sky® 1 Planetarium Software.

Online Price
Your Price $199.99
Price Per null:
  • Shipping & Handling included *

Member Only Item

The estimated delivery time will be approximately  
7 - 10 business days from the time of order.

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.


  • All coated glass optics for clear, crisp images  
  • Erect image optics - ideal for terrestrial and astronomical use  
  • Permanently mounted StarPointer  
  • German equatorial mount with setting circles - to accurately locate and track sky objects  
  • Quick and easy no-tool setup  
  • Rugged pre-assembled tripod with 1.25" steel tube legs - Provides a rigid and stable platform  
  • Quick release dovetail attachment - no tool setup  
  • Deluxe accessory tray for convenient storage of accessories  
  • The Sky® Level 1 planetarium software with 10,000 object database and enhanced images

  • Refractor optical design  
  • 90 mm aperture  
  • 1000 mm focal length  
  • Focal ratio – 11  
  • 20 mm (50x) and 10 mm (100x) eyepieces  
  • 1.25” erect image star diagonal  
  • Built-on StarPointer Finderscope  
  • CG-3 equatorial mount  
  • 1.25” steel tube tripod  
  • Sky Level 1 Planetarium software  
  • Weight: 27 lbs

Please contact Celestron customer support if you have any questions about the product, warranty or require replacement parts, call us toll free 800-421-9649 Ext 451 or Monday - Friday 8AM - 5PM PST.

Model: 21064

  • Aperture Size: 3.54 in.
  • Brand: Celestron
  • Focal Length: 39.37 in.
  • Model: 21064
  • Reflecting/Refracting: Refracting
  • Weight: 27 lb.

Standard shipping via UPS Ground is included in the quoted price. The estimated delivery time will be approximately 7 - 10 business days from the time of order.

Express shipping is via UPS. The estimated delivery time will be approximately 1 - 2 business days from the time of order.

Please choose your shipping method at checkout.

An additional Shipping and Handling fee will apply to express shipments. This fee will be quoted at checkout.

*Delivery is available to Alaska, Hawaii and Puerto Rico. An additional Shipping and Handling fee will apply to shipments going to Alaska, Hawaii or Puerto Rico. This fee will be quoted at checkout. Additional transit time may be required. products can be returned to any of our more than 600 Costco warehouses worldwide.

How to Return: For an immediate refund (including shipping and handling), simply return your purchase at any one of our Costco warehouses worldwide. If you are unable to return your order at one of our warehouses, please email customer service or call our customer service center at 1-800-955-2292 for assistance. To expedite the processing of your return, please reference your order number.

If you request an item be picked up for return, the item must be packaged and available for pick up in the same manner as it was delivered. If your order was delivered "curb side", it will need to be available for curb side pick up.
If the item arrived to you in a box, it will need to be in a box at the time of pick up.

View Costco's Return Policy.

For information or a written copy of the manufacturer's warranty, please contact us at:

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