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70mm Air-Spaced Achromat in Metal Cell For Sale

Price - $26.00

Ad Number: 162144

Posted: 11 Feb 2019

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70mm Air-Spaced Achromat in Metal Cell
The focal length is 315mm f/4.5. Made by Carton Optical in Japan.
The lenses are MgF2 coated and the cell is aluminum.
Ideal for making a Spotting Scope, large finder, guider etc.
The images show a little RFT/Spotting Scope with a aluminum tube that was made
with the lens as an example of what can be done. Or, by using the Carton conical
shaped tube with easy to get and inexpensive PVC plumbing parts from the local
hardware store.
$26.00 shipped in CONUS Lens & Cell
$36.00 shipped in CONUS Lens, Cell & Carton Tube


  • Condition Great
  • Location US

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