Celestron Celestron Astromaster LT 70S AZ Refractor Telescope

Product Description

Celestron Astromaster LT 70S AZ Refractor Telescope | 70mm objective, 900 mm Looking for a portable and easy to assemble telescope for celestial viewing? Then the AstroMaster Series is just for you! The AstroMaster Series produces bright, clear images of the Moon and planets. Easily observe the belts... read more

MPN: 21074-CGL

Barcode: 050234210744



  • Optical Design: Refractor
  • Aperture: 70mm (2.76"
  • Focal Length: 700mm (28")
  • Focal Ratio: 10
  • Focal Length of Eyepiece 1: 20mm (.8")
  • Magnification of Eyepiece 1: 35x
  • Focal Length of Eyepiece 2: 10mm (.4")
  • Magnification of Eyepiece 2: 70x
  • Barlow Lens: Not Included
  • Finderscope: Built-on StarPointer™ red dot finderscope
  • Star Diagonal: Erect Image Diagonal – 1.25"
  • Optical Tube: Aluminium
  • Highest Useful Magnification: 165x
  • Lowest Useful Magnification: 10x
  • Limiting Stellar Magnitude: 11.7
  • Resolution (Rayleigh): 1.99 arc seconds
  • Resolution (Dawes): 1.66 arc seconds
  • Light Gathering Power (Compared to human eye): 100x
  • Optical Coatings: Fully-Coated
  • Optical Tube Length: 711mm (28")
  • Optical Tube Diameter: TBD
  • Optical Tube Weight: TBD
  • Dovetail: CG-5 Dovetail bar


  • Mount Type: Manual Alt Azimuth
  • Height adjustment range (includes mount and tripod): 812.8mm - 1295.4mm (32" - 51")
  • Tripod Leg Diameter: 31.75mm (1.25") steel
  • Accessory Tray: Yes
  • Tripod Weight: 7.6 lbs (3447.3 g)
  • Slew Speeds: Manual
  • Dovetail Compatibility: CG-5 saddle plate
  • Software: Starry Night Basic Edition | SkyPortal App
  • Total Kit Weight: TBD

Included Items: Optical tube | Tripod and mount (preassembled) | 20mm eyepiece | 10mm eyepiece | Red-dot finderscope | Erect image 90° diagonal | Manual

MPN: 21074-CGL

Barcode: 050234210744


Spread the cost with finance, now available at Castle Cameras. Make that dream purchase a reality and buy the latest and greatest from Castle Cameras today. There are various options available, including (subject to promotion) interest free credit. To take advantage of our finance options, simply drop by either of our stores with photographic ID such as a passport or driving license and proof of address and we will help you from there.

Check here for the products currently eligible. T&C’s apply.

Celestron Astromaster LT 70S AZ Refractor Telescope


unavailable No stock in the UK. Awaiting confirmation of next availability, possibly April

Product Code: CR23554

+ Recommended Binoculars & Scopes
Celestron Moon Filter - 1.25in
Celestron Moon Filter - 1.25in
Product Code: CR23560

Product Summary

  • 70mm objective
  • Home Delivery Checker*

    UK mainland delivery from FREE
    + Available Delivery Options