Image of the day

Captured by
Terry Wood

Jupiter (clearer) Nov 5th 2023 w/Mewlon 180c

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18" CPT Reflection Telescope Frame

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For sale here is a frame from Compact Precision Telescope. The frame is machined from aluminium alloy,
  • it includes 3.5" secondary holder,
  • 18 pts floating mirror cell that accommodate 18" mirror,
  • a dovetail plate fit Astrophysics mount,
  • a shroud and a beautiful feather touch focuser,
  • a 9x50 mm right angle finder scope
it is rock solid. All you need is primary and secondary mirror. (mirror in picture not included)

The frame weights 72 lbs, 42" long, 22" in diameter
This frame is collapsible, it can accommodate wide range of focal ratio, from F3 to F4.5, once collapse, it can fit to the back seat of a car.
The best use of this frame is to mount it on an equatorial mount for imaging purpose, the last two photos shows how it would be setup.
There are amateurs who use the frame to accommodate classical cassegrain optics also (see narrowbandimaging)

Local pick only in San Francisco Bay Area