Celestron Astromaster 70az Telescope


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  • Product Description
  • Specifications
  • What's in the Box?
  • Warranty

Celestron AstroMaster 70AZ Refractor Telescope

  • 70mm refractor telescope with fully coated glass optics and a lightweight frame.
  • Observe in no time with a quick and easy, no-tool setup.
  • Accessories include: two eyepieces (20mm and 10mm), erect image star diagonal, and a finderscope.
  • Panning handle Alt-Az control with clutch for smooth and accurate pointing.
  • Adjustable height tripod
  • Download Starry Night Basic Software with a 36,000 object database, printable sky maps and enhanced images including 3D renderings of stars, exoplanets, and galaxies

Optical Design


Aperture (mm)

70 mm

Focal Length

900 mm

Focal Ratio


Focal Length of Eyepiece 1 (mm)

20 mm

Magnification of Eyepiece 1

45 x

Focal Length of Eyepiece 2 (mm)

10 mm

Magnification of Eyepiece 2

90 x


Built-on StarPointer

Star Diagonal

Erect Image Diagonal – 1.25″

Mount Type



1.25″ steel tube legs

Lowest Useful Magnification

10 x

Limiting Stellar Magnitude


Resolution (Dawes)

1.66 arc seconds

Light Gathering Power (Compared to human eye)

100 x

Optical Coatings

Fully Coated

Optical Tube Length

914 mm


2-year Telescope Warranty

  • StarPointer™ red dot finderscope
  • Eyepieces: 10mm, 20mm
  • Tripod and Accessory Tray
  • 1.25" Erect Image Diagonal
Celestron 2 Years Limited Warranty