Kson Short Tube ST80 – 2″ Fine Focus 400mm f/5 Mk III Rich Field Refractor

Original price was: $399.95.Current price is: $349.95.


Astrodog Exclusive – Kson ST80 – 2″ Fine Focus 400mm f/5 Mk III Rich Field Refractor, OTA with Rings and Vixen Plate

We’ve listened to what you want, and had it manufactured according to our strict specifications.

The Kson KS80 is an excellent 2″ General Purpose refractor with a focus on being the toughest unit in it’s class.  It’s a very convenient all metal “grab and go” unit.


  •  80mm Aperture
  • 400mm Focal Length
  • F/5
  • 2″ Fine Focuser
  • Achromatic, Doublet Refractor Design
  • Fully Coated, Cemented Lens with K9/F4 optical glass (Yes, we even tell you the glass type we used!)
  • Metal Dew Shield
  • Metal Finder Shoe
  • Beautiful, Pearl White Finish
  • Rings and Vixen Plate – The rings on these are something special.  The red deluxe rings were made with love and are fully servicable, 33% thicker and stronger than similar rings found on other scopes, and have extended knobs and grips which make tightening and detaching a breeze.

NEW Mk III Upgrades

  • 2″ Fine Focuser, allows the use of 2″ ultra low powered eyepieces to give truly rich field views.
  • Three screw compression ring system to securely hold heavier loadouts

This model is suitable for use as a guider, a finderscope, or as a standalone widefield refractor.  It is fully compatible with the Kson Tracker, the KM MiniMount, as well as other mount systems which accept vixen style connections.

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Additional information

Weight 2.5 kg
Dimensions 50 × 19 × 14 cm


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