Celestron - AstroMaster 90EQ-MD (Motor Drive) 90mm Refractor Telescope

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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.

SKU: CEL-21069
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Product Description

CELESTRON  •  AstroMaster 90EQ-MD 90mm Refractor Telescope  •  21069

The Celestron AstroMaster 90EQ-MD Refractor is a step up from the 90AZ, but instead takes advantage of the balance power of a german equatorial mount with setting circles to allow for accurate tracking of right ascension and declination to desired celestial coordinates of the night sky as well as a motor drive. The refractor also has a permanent starpointer on it to assist in accurately pointing the telescope. To assemble, mount the optical tube on the equatorial head with the dovetail connection and snap on the accessory tray. It is that simple! Moons of Jupiter, rings of Saturn and craters of our Moon will all look outstanding and sharp through this refractor. 20mm and 10mm eyepieces are included which result in magnifications of 50x and 100x as well as the SkyX First Light Edition Astronomy Software for basic teaching of the night sky and famous celestial objects.


  • 90mm (3.54")  Refractor.
  • Equatorial mount with setting circles
  • Permanent starpointer
  • 20mm and 10mm eyepieces included
  • Aluminum tripod
  • Accessory tray
  • SkyX First Light Edition Astronomy Software










Name Celestron - AstroMaster 90EQ-MD (Motor Drive) 90mm Refractor Telescope
Manufacturer Celestron
Model CEL-21069
Telescope Aperture 3.1" - 4"
Aperture 90 mm (3.54 in)
Apparent Field of View
Finderscope Built-on StarPointer
Focal Length 1000 mm (39 in)
Focal Ratio f/11
Highest Useful Magnification 213 x
Light Gathering Power 165 x
Limiting Stellar Magnitude 12.3
Linear Field of View (@1000 yds) 53 ft (16 m)
Lowest Useful Magnification 13 x
Mount CG-3 Equatorial
Optical Coatings Multi Coated
Optical Tube Length 36 in (914 mm)
Resolution (Dawes) 1.29 arc seconds
Resolution (Rayleigh) 1.55 arc seconds
Star Diagonal Erect Image Diagonal - 1.25"
Tripod 1.25" steel tube legs


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