Celestron Astromaster LT 70AZ


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  • Technical Features

Technical Features for Celestron Astromaster LT 70AZ

The Celestron 21074 is a dual-purpose telescope appropriate for both terrestrial and celestial viewing. It features Built-on StarPointer Finderscope to help accurately find objects of interest without being tethered by skills and starcharts. “TheSkyX – First Light Edition” astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images.

The AstroMaster LT 70AZ produces 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. The rugged pre-assembled tripod with 1.25" steel tube legs provides a rigid and stable platform.

Celestron AstroMaster LT 70AZ 21074 Specification
  • Optical Design
  • Aperture (mm)
    70 mm (2.76 in)
  • Telescope Type
  • Focal Length
    700 mm (28 in)
  • Focal Ratio
  • Focal Length of Eyepiece 1 (mm)
    20 mm (0.79 in)
  • Magnification of Eyepiece 1
    35 x
  • Focal Length of Eyepiece 2 (mm)
    10 mm (0.39 in)
  • Magnification of Eyepiece 2
    70 x
  • Finderscope
    Built-on StarPointer
  • Mount Type
    1” steel tubes
  • Highest Useful Magnification
    165 x
  • Lowest Useful Magnification
    10 x
  • Limiting Stellar Magnitude
  • Resolution (Rayleigh)
    1.99 arc seconds
  • Resolution (Dawes)
    1.66 arc seconds
  • Light Gathering Power (Compared to human eye)
    100 x
  • Apparent Field of View
    1.7 °
  • Linear Field of View (@1000 yds)
    89 ft (27 m)
  • Optical Coatings
  • Optical Tube Length
    28 in (711 mm)
  • Total Telescope Kit Weight
    16 lbs (7.26 kg)

AstroMaster LT 70AZ 21074 Features:

  • 2.76 Inch Aperture (70mm)
  • Fully-Coated Optical Coatings
  • 165x Maximum Magnification
  • Focal Length: 700mm, f/10.0 Focal Ratio
  • Built-on StarPointer Finderscope
  • Steel Tube Legs Tripod
  • Altazimuth Mount
  • Quick & Easy No-Tool Setup
  • Erect Image Optics
    - Ideal For Terrestrial & Astronomical Use
  • Deluxe Accessory Tray For Convenient Storage of Accessories

Celestron 21074 Includes:
  • StarPointer Finderscope
  • 20mm Eyepiece 0.79" (35x magnification)
  • 10mm Eyepiece 0.39" (70x magnification)
  • Diagonal
  • Tripod & Accessory Tray

Astronomy Hobbyists please read

by Ernest H.

This scope has power, mobility, and is literally ready to go whenever I am. The scope is powerfull enough to see the moon in detail, planets like Jupiter and Saturn, and larger or brighter objects like the Andromeda Galaxy.


by Mehul P.

This is first buy for telescope, and my wife and I wanted a good item that was not too expensive. This model is terrific becuase it is sturdy, easy to set up and has value for my family. My family enjoys being able to see many available celestial objects.


by Happy Feller

Wonderful purchase, you can easily observe the stars in the night sky! The design is very easy and light and the settings are not too complicated at all, which was the most important thing for me.

The Celestron Astromaster LT 70AZ has many exciting features for users of all types. It's one of FactoryOutletStore's best selling . You can extend the lifetime of your Celestron Astromaster LT 70AZ with the purchase of a FactoryOutletStore Factory Protection Plan. See the Celestron Astromaster LT 70AZ gallery images above for more product views. The Celestron Astromaster LT 70AZ is sold as a Brand New Unopened Item.