#17821 - VSI SideWinder to OPTEC-3600 Dovetail Mount


Out of Stock
Available for backorder, you can contact Optec directly to reserve a backordered item or order here


The VanSlyke SideWinder has a 2.9-inch diameter dovetail receiver.   Our #17821 mount is a male 2.9" dovetail to our larger 3.6" dovetail for attaching any device with an OPTEC-3600 receiver.

  • Overall Height: 0.69" (17.5mm)
  • Clear Aperture: 2.63" (66.8mm)
  • Weight: 2.8 oz (80 g)
  • Back-focus Usage: 0.1" (2.5mm)

Camera-side Compatibility:
  • TCF-S3 series focuser,
  • Pyxis 3" rotator,
  • Perseus 4-port instrument selector,
  • Any OPTEC-3600 receiver.