---
product_id: 52201984
title: "Astromaster 90 EQ"
brand: "celestron"
price: "$1744.85"
currency: USD
in_stock: null
reviews_count: 7
category: "Celestron"
url: https://www.desertcart.ec/products/52201984-astromaster-90-eq
store_origin: EC
region: Ecuador
---

# 90mm fully-coated optics Manual German Equatorial mount Tool-free quick setup Astromaster 90 EQ

**Brand:** celestron
**Price:** $1744.85
**Availability:** ❌ Out of Stock

## Summary

> 🌌 Unlock the Universe—Own the Night Sky with AstroMaster 90EQ!

## Quick Answers

- **What is this?** Astromaster 90 EQ by celestron
- **How much does it cost?** $1744.85 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/52201984-astromaster-90-eq)

## Best For

- celestron enthusiasts

## Why This Product

- Trusted celestron brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready Out of the Box:** No tools needed—lightweight frame and adjustable tripod make setup effortless and portable for spontaneous stargazing sessions.
- • **Complete Stargazing Kit:** Includes two eyepieces, erect image diagonal, StarPointer red dot finderscope, and deluxe accessory tray for all your astronomy essentials.
- • **Precision Pointing Power:** Equipped with a German Equatorial mount and dual slow-motion controls for smooth, accurate tracking of celestial objects.
- • **Trusted Legacy & Support:** Backed by Celestron’s 2-year warranty and decades of expertise, ensuring your investment lasts a lifetime of discovery.
- • **Crystal-Clear Cosmic Views:** Fully-coated 90mm objective lens delivers bright, sharp images of planets, the Moon, and terrestrial sights.

## Overview

The Celestron AstroMaster 90EQ is a powerful, user-friendly refractor telescope featuring a fully-coated 90mm objective lens and a manual German Equatorial mount for precise celestial tracking. Designed for both beginners and enthusiasts, it offers quick, tool-free setup with a lightweight adjustable tripod. The package includes two eyepieces, an erect image diagonal, a StarPointer red dot finderscope, and a deluxe accessory tray, plus a free astronomy software download. Trusted by stargazers worldwide, it comes with a 2-year warranty from the leading telescope brand.

## Description

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, we recommend the larger aperture and light gathering ability of the Newtonian reflectors.

Review: Recommended - Review of Celestron AstroMaster 114EQ Reflector Telescope: Update (July 2018): I've spent a lot of time with this telescope now, perhaps 100 hours, and have an even better opinion of it than before. As a cheap small telescope it is ideal for beginners like me and I couldn't ask for a better experience for the right-above £100 price I paid. It is one of the most cost effective pastimes I've enjoyed. With the telescope, I've observed: The Moon Venus Mars and its ice cap Jupiter, its cloud lines, and its big red spot Saturn and its rings Satellites Many open clusters Many globular clusters A few nebulas (The orion nebula is amazing!) The Andromeda Galaxy Over the past months I have gathered some tips for getting the most out of this telescope: * The 114EQ has a corrector lens built into the eyepiece tube that also acts like a 2x barlow lens, essentially "zooming in" by 2x power by default. This works well for planetary viewing, but for objects like open star clusters and the andromeda galaxy it can be too much magnification to get a wide enough view with a 20-24mm eyepiece. Also, for faint objects like nebulas it can reduce the exit pupil of the telescope to a very small size, which limits the ability of your eye to gather light. A solution I found is to use a 0.5x barlow lens to reduce the overall power to 1x. I recommend the Solomark 0.5x Focal Reducer available on desertcart, which screws into the bottom of your eyepiece. * I tried a number of different eyepieces, including moderately expensive ones. My favorite experience was the Seben 7.5-22.5mm Zoom Eyepiece. While being one of the least expensive eye pieces I used with the telescope also offered the most adaptable experience. I rarely use the other eyepieces now because the seben zoom allows me to spend more time viewing and less time fiddling. When paired with a 0.5x barlow, it gives the telescope a wide range of configurations that allow it to be a nice platform for viewing all objects below absolute magnitude 10. * The mount has a cheap bearing for the equatorial axis which has a bolt that both acts as the axle and as the tightener. This is where most of the vibration in the mount comes from. In order to make it work well, it is critical that the washers go in the correct order and that the bolt is torqued such that it is tight but not binding. The correct order is the metal washer first and the rubber washer second on the bolt. If they are reversed, the bolt will back its way out when turning the equatorial axis and lead to a lot of wobbling. * I removed the locking screws for the collimation knobs on the primary mirror. The telescope keeps its collimation well without the screws, and the knobs are much easier to adjust in the field without having to take the screws out first. Speaking of which, accurate collimation is critical for all reflector telescopes, so if you are not comfortable learning how to do this time consuming process, you should buy a refractor telescope instead, which does not require collimation. After learning the process, it is painless to do. Reflectors like the 114EQ are cheaper for better image quality than refractors, but collimation is the price you pay. * I switched to using Stellarium for my session planning instead of the included Starry Night. I find Stellarium easier to use, and it also allows me to plan which eyepiece configurations are appropriate for a particular object. The mobile version of stellarium is way better than the mobile version of starry night -- more stars included, and easier interface. Really love this telescope! While viewing feint objects like nebulas begs for a larger telescope, I have found my time with this scope highly rewarding at a fraction of the price. I highly recommend this telescope for budding astronomers. Original Review (March 2018): I spent some of my teenage summers with a cousin who loved astrology and introduced me to many of the concepts. Many years later I decided to invest in my own small scope, nothing like the big one my cousin had. After reading reviews and studying specs I picked the Astromaster 114eq for it's nice blend of small size, price, and performance. On our first night viewing, my girlfriend and I caught views of the Orion nebula and beehive cluster right out our apartment window. Wow! It made me realize what I had been missing out on! I am far from an astrological expert, but I can see that the EQ114 can go far, especially with the right adjustment. Collimation is difficult with the stock screws, but after spending several hours over multiple sessions I got it pretty darn good and the picture is nice to my uneducated eyes. The included software helped a lot to find things to view and to track them down in the sky. I don't want a big telescope due to storage, but I'd like to see how far my eq114 will go. To that end I bought a better eye piece than the cheap ones it comes with to see how far the little guy can stretch. The eye piece cost almost as much as the telescope, but I hear they make a huge difference so I am looking forward to trying it out. It's the kind of thing that will last for 50 years so I'm not worried about the investment. You shouldn't be either! Don't hesitate if you're on the fence, this is a good little scope I can fully recommend.
Review: Great for first time users - After much searching and investigating I picked this telescope as it had the largest aperture for my price range. It is very well built and was easy to setup and build. The guide is useful, but ended up searching YouTube for a video guide - this also included how to balance the telescope [...]). The telescope itself was supplied with 2 lenses, a 20mm and a 10mm. The 20mm is plastic and I only use it as a starting lens to position the telescope first to what I want to see. The 10mm is a good little lens and give nice view of the stars and moon. I also purchased the 'Celestron AstroMaster Accessory Kit' at the same time - this included lens filters and additional 5mm, 15mm and 2x lenses. This gives more range of magnifications to use with the telescope. Viewing with the telescope is very good. The moon is amazing, but you will NEED a moon filter - it is very bright. You can clearly see the moons of Jupiter and with my additional 5mm lens I can just about make out the markings of Jupiter. As for the other planets they have not been visible in the evenings yet - but can't wait until Saturn appears! The only fault is the StarPointer. It's not that good, but you can work around/with it. I have even had my 4 year old daughter looking at the moon - which she found fascinating as she could see the craters very clearly. Since buying this, I have also contacted Celestron support (issue with the additional lens). They were quick and put me in touch with their local distributor (Hama) in the UK. Hama were also very helpful. All-in-all this is very good for the price it costs. I wanted a good telescope that would allow me to get started in Astronomy, without using it for a short while and having to replace it when I want more. This is a good start and with the right lenses will do for what I want it for. Good quality lenses are not cheap (it's the price of the telescope itself for a set), but I can now slowly upgrade this over time now that I have a decent telescope.

## Features

- POWERFUL REFRACTOR TELESCOPE: The Celestron AstroMaster 90EQ Refractor telescope is a powerful and user-friendly refractor telescope. It features fully-coated glass optics, a sturdy and lightweight frame, two eyepieces, a StarPointer red dot finderscope and an adjustable tripod
- HIGH-QUALITY 90MM OPTICS: The heart of the system is a fully-coated 90mm primary mirror. The AstroMaster mount features two slow-motion control knobs that allow you to make precision adjustments to view celestial and terrestrial objects
- QUICK SETUP & LIGHTWEIGHT FRAME: This telescope for adults and kids to be used together features a lightweight frame and a manual German Equatorial mount for smooth and accurate pointing. Setup is quick and easy, with no tools required
- INCLUDED ACCESSORIES: We’ve included 2 eyepieces (20mm and 10mm), a tripod, erect image star diagonal, and a StarPointer red dot finderscope. Accessories also include a FREE download of one of the top consumer rated astronomy software programs
- UNBEATABLE WARRANTY AND CUSTOMER SUPPORT: Buy with confidence from the world’s #1 telescope brand, based in California since 1960. You’ll also receive a two-year warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000MLHMBM |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Best Sellers Rank | 4,548 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 10 in Telescopes |
| Brand | Celestron |
| Colour | Multi Colored |
| Customer Reviews | 4.3 4.3 out of 5 stars (7,884) |
| Date First Available | 11 Mar. 2015 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Focus type | Manual Focus |
| Guaranteed software updates until | unknown |
| Included components | 90mm (3.5") diameter refractor, 1000mm focal |
| Item Weight | 13.7 Pounds |
| Item model number | 21064 |
| Max Focal Length | 1000 Millimeters |
| Min Focal Length | 1000 Millimeters |
| Model year | 2010 |
| Objective Lens Diameter | 90 Millimetres |
| Package Dimensions L x W x H | 109.2 x 38.4 x 24.2 centimetres |
| Package Weight | 14.72 Kilograms |
| Part number | 21064 |
| Product Dimensions L x W x H | 76.2 x 38.1 x 129.5 centimetres |
| Size | 90EQ Refractor |
| Style | AstroMaster 90EQ Refractor |
| Telescope Mount Description | Equatorial Mount |

## Product Details

- **Brand:** Celestron
- **Eye piece lens description:** Kellner
- **Finderscope:** Built-on StarPointer™ red dot finderscope
- **Focus type:** Manual Focus
- **Model name:** AstroMaster 90EQ Refractor
- **Objective lens diameter:** 90 Millimetres
- **Optical tube length:** 770 Millimetres
- **Power source:** Battery Powered
- **Product dimensions:** 43D x 15W x 10H centimetres
- **Telescope mount description:** Equatorial Mount

## Images

![Astromaster 90 EQ - Image 1](https://m.media-amazon.com/images/I/51VYTSX3AaL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Hi. Can anyone tell me how is the best way to loosen up the lattitude adjustment locking bolt when telescope is mounted?thank you**
A: Try and take the weight of the telescope in one hand while adjusting the bolt this may help as this will relieve some weight off the bolt

**Q: Is this a doublet or a triplet lens. does this take care of color fringing and spherical aberration?**
A: The optics on this model a fully multi-coated, this helps with colour fringing but does not have optics that will remove spherical aberration.

**Q: I see that "box contains celestron astromaster 90 eq refractor telescope 20mm eyepiece 10mm eyepiece the sky x cd rom user manual".is tripod included?**
A: yes

**Q: Can Equatorial Mount be somehow adjusted for convenient terrestial observations?**
A: The Equatorial mount is probably not ideal for terestial observations. I would advise you get an alt-azimuth mount for this.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Recommended
*by A***N on 30 April 2018*

Review of Celestron AstroMaster 114EQ Reflector Telescope: Update (July 2018): I've spent a lot of time with this telescope now, perhaps 100 hours, and have an even better opinion of it than before. As a cheap small telescope it is ideal for beginners like me and I couldn't ask for a better experience for the right-above £100 price I paid. It is one of the most cost effective pastimes I've enjoyed. With the telescope, I've observed: The Moon Venus Mars and its ice cap Jupiter, its cloud lines, and its big red spot Saturn and its rings Satellites Many open clusters Many globular clusters A few nebulas (The orion nebula is amazing!) The Andromeda Galaxy Over the past months I have gathered some tips for getting the most out of this telescope: * The 114EQ has a corrector lens built into the eyepiece tube that also acts like a 2x barlow lens, essentially "zooming in" by 2x power by default. This works well for planetary viewing, but for objects like open star clusters and the andromeda galaxy it can be too much magnification to get a wide enough view with a 20-24mm eyepiece. Also, for faint objects like nebulas it can reduce the exit pupil of the telescope to a very small size, which limits the ability of your eye to gather light. A solution I found is to use a 0.5x barlow lens to reduce the overall power to 1x. I recommend the Solomark 0.5x Focal Reducer available on Amazon, which screws into the bottom of your eyepiece. * I tried a number of different eyepieces, including moderately expensive ones. My favorite experience was the Seben 7.5-22.5mm Zoom Eyepiece. While being one of the least expensive eye pieces I used with the telescope also offered the most adaptable experience. I rarely use the other eyepieces now because the seben zoom allows me to spend more time viewing and less time fiddling. When paired with a 0.5x barlow, it gives the telescope a wide range of configurations that allow it to be a nice platform for viewing all objects below absolute magnitude 10. * The mount has a cheap bearing for the equatorial axis which has a bolt that both acts as the axle and as the tightener. This is where most of the vibration in the mount comes from. In order to make it work well, it is critical that the washers go in the correct order and that the bolt is torqued such that it is tight but not binding. The correct order is the metal washer first and the rubber washer second on the bolt. If they are reversed, the bolt will back its way out when turning the equatorial axis and lead to a lot of wobbling. * I removed the locking screws for the collimation knobs on the primary mirror. The telescope keeps its collimation well without the screws, and the knobs are much easier to adjust in the field without having to take the screws out first. Speaking of which, accurate collimation is critical for all reflector telescopes, so if you are not comfortable learning how to do this time consuming process, you should buy a refractor telescope instead, which does not require collimation. After learning the process, it is painless to do. Reflectors like the 114EQ are cheaper for better image quality than refractors, but collimation is the price you pay. * I switched to using Stellarium for my session planning instead of the included Starry Night. I find Stellarium easier to use, and it also allows me to plan which eyepiece configurations are appropriate for a particular object. The mobile version of stellarium is way better than the mobile version of starry night -- more stars included, and easier interface. Really love this telescope! While viewing feint objects like nebulas begs for a larger telescope, I have found my time with this scope highly rewarding at a fraction of the price. I highly recommend this telescope for budding astronomers. Original Review (March 2018): I spent some of my teenage summers with a cousin who loved astrology and introduced me to many of the concepts. Many years later I decided to invest in my own small scope, nothing like the big one my cousin had. After reading reviews and studying specs I picked the Astromaster 114eq for it's nice blend of small size, price, and performance. On our first night viewing, my girlfriend and I caught views of the Orion nebula and beehive cluster right out our apartment window. Wow! It made me realize what I had been missing out on! I am far from an astrological expert, but I can see that the EQ114 can go far, especially with the right adjustment. Collimation is difficult with the stock screws, but after spending several hours over multiple sessions I got it pretty darn good and the picture is nice to my uneducated eyes. The included software helped a lot to find things to view and to track them down in the sky. I don't want a big telescope due to storage, but I'd like to see how far my eq114 will go. To that end I bought a better eye piece than the cheap ones it comes with to see how far the little guy can stretch. The eye piece cost almost as much as the telescope, but I hear they make a huge difference so I am looking forward to trying it out. It's the kind of thing that will last for 50 years so I'm not worried about the investment. You shouldn't be either! Don't hesitate if you're on the fence, this is a good little scope I can fully recommend.

### ⭐⭐⭐⭐⭐ Great for first time users
*by A***N on 11 March 2013*

After much searching and investigating I picked this telescope as it had the largest aperture for my price range. It is very well built and was easy to setup and build. The guide is useful, but ended up searching YouTube for a video guide - this also included how to balance the telescope [...]). The telescope itself was supplied with 2 lenses, a 20mm and a 10mm. The 20mm is plastic and I only use it as a starting lens to position the telescope first to what I want to see. The 10mm is a good little lens and give nice view of the stars and moon. I also purchased the 'Celestron AstroMaster Accessory Kit' at the same time - this included lens filters and additional 5mm, 15mm and 2x lenses. This gives more range of magnifications to use with the telescope. Viewing with the telescope is very good. The moon is amazing, but you will NEED a moon filter - it is very bright. You can clearly see the moons of Jupiter and with my additional 5mm lens I can just about make out the markings of Jupiter. As for the other planets they have not been visible in the evenings yet - but can't wait until Saturn appears! The only fault is the StarPointer. It's not that good, but you can work around/with it. I have even had my 4 year old daughter looking at the moon - which she found fascinating as she could see the craters very clearly. Since buying this, I have also contacted Celestron support (issue with the additional lens). They were quick and put me in touch with their local distributor (Hama) in the UK. Hama were also very helpful. All-in-all this is very good for the price it costs. I wanted a good telescope that would allow me to get started in Astronomy, without using it for a short while and having to replace it when I want more. This is a good start and with the right lenses will do for what I want it for. Good quality lenses are not cheap (it's the price of the telescope itself for a set), but I can now slowly upgrade this over time now that I have a decent telescope.

### ⭐⭐⭐⭐⭐ Review
*by F***Z on 11 November 2023*

Çok iyi bir teleskop. Başlangıç için 50AZ modelini almıştım ama arasında çok fark var. Andromeda, jüpiter, saturn ve niceleri telefonumda var ama "AMAZON TÜRKİYEDE RESİMLERİ AÇSA GÖSTERECEM!" Eğer çok üst segment alıp para basmayacam diyorsanız ideal. Çok ekmeğini de yedim ürünün ;) 2 eksisi var el ile taşınmaz çok ağır. Ekstra lens alıp geliştirmek lazım. Jüpiterin 2 büyük çizgisi ve büyük kırmızı gözü lens yardımı ile gözüküyor. Ayrıca fotozeynep ile 1 günde kapınızda.

## Frequently Bought Together

- Celestron - AstroMaster 90EQ Refractor Telescope - Refractor Telescope for Beginners - Fully-Coated Glass Optics - Adjustable-Height Tripod - Bonus Astronomy Software Package
- Celestron – Telescope Moon Filter – Eyepiece Accessory – Reduces Moon Glare and Enhances Lunar Crater Details – Great for Full Moon Observing – Works with Any Telescope That Accepts 1.25" Eyepieces
- Celestron – Smartphone Photography Adapter for Telescope – Digiscoping Smartphone Adapter – Capture Photos and Video Through Your Telescope or Spotting Scope Eyepiece

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---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-17*