Skip to Content

Celestron AstroMaster 90EQ Telescope

  • mfr: 21064
  • SKU: 21064
In Stock

Available options:

  • Free standard shipping

    *Orders placed before 3 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

  • Free Local Pickup

    Please call for store stock availability.

    Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Additional options:

Product highlights

  • Appropriate for both terrestrial and celestial viewing
  • Easy no-tool setup
  • Quick release dovetail attachment
  • All coated glass optics for clear, crisp images
  • Pre-assembled tripod
  • Rigid and stable platform
  • Accessory tray for convenient storage of accessories
  • Bonus Astronomy Software download

Recommended accessories

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.

Free standard shipping included


Free standard shipping included

Celestron AstroMaster 90EQ Telescope

If you're looking for a dual-purpose telescope appropriate for both terrestrial and celestial viewing, then the AstroMaster 90EQ Telescope is for you. The AstroMaster model is capable of giving correct views of land and sky, so you have many options in front of you.


The AstroMaster 90EQ Telescope produces bright, clear images of the Moon and planets. It is easy to see the moons of Jupiter and the rings of Saturn with this fine instrument. The telescope features an easy no-tool setup, with the quick release dovetail attachment and other similar assembly methods. Meaning, that putting together the whole telescope takes no time, so your up and ready to use the telescope in just a few minutes.


The 90mm Refractor has all coated glass optics for clear, crisp images. The AstroMaster arrives with a StarPointer finderscope and an erect image optics which is ideal for terrestrial and astronomical use The German Equatorial mount comes with Setting circles to accurately locate and track sky objects. The rugged pre-assembled tripod, with 1.25" steel tube legs, provides a rigid and stable platform and the deluxe accessory tray is a convenient way of storing accessories.

AstroMaster has a bonus Astronomy Software download with a 10,000 object database, printable sky maps and 75 enhanced images.


Aperture 3.5-inch/90mm
Finder Scope StarPointer
Mount Design Equatorial (EQ)
Mount Operation Manual
Configuration Core
Color Blue


Customer Questions
No Questions


Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges. 
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact [email protected] with your order number and a description of the damage. 
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at [email protected], or send us a message here.  
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead. 
If you ordered a kit, you must return all components and accessories to receive a full refund. 
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund. 
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900. 
Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping and Returns

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

Free Two-Day Shipping

We offer free expedited shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).

Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

Ratings and reviews

Celestron AstroMaster 90EQ Telescope

Celestron AstroMaster 90EQ Telescope SKU: 21064

Rated 4 out of 5 by from Best deal in town I love the telescope , it can be setup in 30 min or lease. About service and price store delivered on time, I went other store to see if they can match price ... They just made many excuses to not honor their matching policy... Im happy I find this store
Date published: 2019-01-26
  • y_2024, m_6, d_15, h_4
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.42
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_1
  • loc_en_US, sid_21064, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_focus_camera
  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getReviews, 3.55ms

Customers also viewed

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.
Special Price $839.00 Regular Price $939.00

Free standard shipping included

Special Price $579.00 Regular Price $679.00

Free standard shipping included


Free standard shipping included


Free standard shipping included