Celestron AstroMaster 90EQ Telescope
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Product highlights
In the box
In the box
Free standard shipping
Free standard shipping
*Orders placed before 1 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
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
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.
Effortless
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.
Features
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 inch 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.
Main
| Aperture | 3.5-inch/90mm |
| Finder Scope | StarPointer |
| Mount Design | Equatorial (EQ) |
| Mount Operation | Manual |
| Configuration | Core |
| Color | Blue |
Optical Tube Info:
| Optical Design | Refractor |
| Aperture (mm) | 90 mm (3.54 inch) |
| Focal Length | 1000 mm (39 inch) |
| Focal Ratio | 11 |
| Focal Length of Eyepiece 1 (mm) | 20 mm (0.79 inch) |
| Magnification of Eyepiece 1 | 50x |
| Focal Length of Eyepiece 2 (mm) | 10 mm (0.39 inch) |
| Magnification of Eyepiece 2 | 100x |
| Finderscope | Built-on StarPointer |
| Star Diagonal | Erect Image Diagonal - 1.25 inch |
| 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 |
| Optical Tube Length | 914 mm (36 inch) |
| Mount Type | CG-3 Equatorial |
| Tripod | 1.25 inch steel tube legs |
Frequently Asked Questions
How do I return an item?
How do I return an item?
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.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
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.
How many days do I have to make a return?
How many days do I have to make a return?
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.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
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 support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
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 support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
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.
Do you offer repairs?
Do you offer repairs?
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.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.







