#19825 - 3" Drawtube Adapter To 2" - Precision Centering Collet design.


In Stock: 25


The #19825 Precision Centering Collect adapter allows equipment with a 2-inch drawtube adapter to be attached behind 3-inch OPTEC-3000 equipment including the TCF-S3, IFW-3, and Pyxis 3" rotator.

This adapter includes a brass machined centering collet includes a specially designed brass compression ring which self-centers when tightened.  To use simply twist the locking collar counter clockwise to allow insertion of your 2-inch eyepiece or camera nosepiece, then twist clockwise to tighten and center.  Especially designed for use with the TCF-S3 series focusers and Pyxis 3" rotators.

  • Outside Diameter:  3.75" (95mm)
  • Overall Height: 1.18" (30mm)
  • Clear Aperture:  2.01"  (51mm)
  • Weight: 6.08 oz. (172 g)
  • Compression Ring:  machined 360 brass
  • Back-focus Usage: 0.45" (11.5 mm)
  • Telescope Side Connection:  OPTEC-3000 Dovetail
  • Camera Side Connection:  2" Receiver

Camera-side Compatibility:
  • 2-inch Eyepieces,
  • 2-inch Camera Nosepieces,
  • Pyxis 2" camera field rotator,
  • NextGen and Lepus series telecompressors,
  • Any 2-inch 'push-fit' accessory.