Celestron AstroMaster 70AZ

Now: £99.00 (Save:  £24.00) Was:  £123.00✓ 2 year warranty

About this product

Model:  cel_astrmstr-70az
Part Number:  21061

Kids love this telescope because it looks and feels precisely how they imagine a telescope to be. It can also be used for terrestrial observing so is a good choice if you have a room with a view. 

Please don't let it's low price mislead you, the Celestron Astromaster 70AZ is not a department-store toy. The 70mm aperture, long focal-ratio and coated optics provide pleasing views of Jupiter and some of it's moons. Saturn with it's rings is easily identifiable and the lunar surface will show a wealth of detail. Some of the brighter deep-sky targets are also within reach including the Orion nebula, M13 Globular cluster in Hercules and the beautiful double-star Albireo. 

Includes 10mm & 20mm Celestron eyepieces. 


  • Quick and easy no-tool setup
  • Permanently mounted StarPointer
  • Erect image optics - suitable for terrestrial observing and astronomy
  • Quick release dovetail attachment - no tool setup
  • Pan handle Alt-Az control with clutch - for smooth and accurate pointing
  • Rugged pre-assembled tripod with 1.25" steel tube legs - Provides a rigid and stable platform
  • All coated glass optics for clear, sharp views
  • Tripod accessory tray for convenient storage of accessories
  • “TheSkyX – First Light Edition” astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images

Video Tour


Optical DesignRefractor
Aperture (mm) 70 mm (2.76 in)
Focal Length900 mm (35 in)
Focal Ratio13
Focal Length of Eyepiece 1 (mm)20 mm (0.79 in)
Magnification of Eyepiece 145 x
Focal Length of Eyepiece 2 (mm)10 mm (0.39 in)
Magnification of Eyepiece 290 x
FinderscopeBuilt-on StarPointer
Star Diagonal Erect Image Diagonal - 1.25"
Mount TypeAltazimuth
Tripod1.25" steel tube legs
Highest Useful Magnification165 x
Lowest Useful Magnification10 x
Limiting Stellar Magnitude11.7
Resolution (Rayleigh) 1.99 arc seconds
Resolution (Dawes)1.66 arc seconds
Light Gathering Power (Compared to human eye) 100 x
Apparent Field of View1.1
Linear Field of View (@1000 yds)58 ft (18 m)
Optical CoatingsFully Coated
Optical Tube Length36 in (914 mm)
Warranty2-year Telescope Warranty

Downloads / Manuals

The following manuals and downloads are available for this product:


Quick Setup Guide for AstroMaster 70AZ & 90AZ (PDF) 

AstroMaster Manual (70AZ, 90AZ, 114AZ) (PDF)

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