Skip to content

Optec M117 x 1mm Threaded Mount - 19665

SKU: OPT-19665

Optec M117 x 1mm Threaded Mount

This Optec threaded mount is designed to adapt the TCF-S focuser to the AstroTech AT10RC and AT12RC class telescopes.

Optec's focusing adapter fits over M117 threads and has an OPTEC-2400 dovetail for the TCF-S, IFW, and any 2400 receiver. It can be used with any telescope that has an M17mm x 1mm male thread pitch.

Known compatible telescopes are as follows:

  • Astro-Tech AT10RC and AT12RC
  • GSO 10" and 12" RC OTAs
  • TPO 10" and 12" RC OTAs
  • Telescopes with an M117 x 1mm male thread

The Optec Threaded Mount Dimensions are as follows:

  • Outside Diameter: 4.28" (121mm)
  • Overall Height: 0.81" (20.6mm)
  • Clear Aperture: 2.05" (52.1mm)
  • Weight: 3.6 oz (100 g)
  • Back-focus Usage: 0.5" (12.5mm) from thread seat