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Celestron - AstroMaster LT 70AZ 70mm Refractor Telescope


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Manufactured by: Celestron


CELESTRON  •  AstroMaster LT 70AZ 70mm Refractor  • 21074

For a portable and easy set up telescope, the Celestron AstroMaster LT 70AZ Refractor is definitely one of the best. As a planet viewing telescope, the optical tube has a focal ratio of f/10 and light gathering power of 100x which makes it perfect for viewing high surface brightness objects at smaller field of views and high magnification eyepieces. The rings of Saturn, cloud bands of Jupiter, craters of the Moon and even some brighter deep sky objects are all clearly visible through the Celestron AstroMaster LT 70AZ Refractor. To assemble, simply mount the optical tube to the mount and snap the accessory tray on and you've got a totally functional telescope! A permanent StarPointer on the top of the optical tube helps center the scope on an intended coordinate of the night sky. Included with this package are two eyepieces and the the SkyX First Light Edition Astronomy Software.


  • Refractor optical tube
  • Altazimuth Mount
  • Aluminum tripods legs
  • Accessory tray
  • 20mm and 10mm eyepiece
  • 1.25" star diagonal
  • SkyX First Light Edition astronomy software










Product Series

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.

Additional Information

Name Celestron - AstroMaster LT 70AZ 70mm Refractor Telescope
Manufacturer Celestron
Model CEL-21074
UPC 050234210744
Manufacturer Part No CEL-21074
Telescope Aperture 3" and Under
Accessory Tray Yes
Aperture 70mm (2.76")
Apparent Field of View 1.7°
Eyepieces 2
Eyepiece 1 10mm
Eyepiece 2 20mm
Finderscope Celestron StarPointer
Focal Length 700mm (28")
Focal Ratio f/10
Highest Useful Magnification 165x
Light Gathering Power 100x
Limiting Stellar Magnitude 11.7
Linear Field of View (@1000 yds) 89ft (27m)
Lowest Useful Magnification 10x
Mount Altazimuth
Optical Coatings Fully-Coated
Optical Design Refractor
Optical Tube Length 28"
Resolution (Dawes) 1.66 arc sec
Resolution (Rayleigh) 1.99 arc sec