Amazon.com: Astronomical Telescope Accessories 1.25",2" to M42,M48 Extension Tube Adapter Ring with a 360 ° Rotator Camera Angle Adjuster (Color : 1.25 to m42 Adapter) : Electronics
ARCO 2" camera rotator and field de-rotator: Buy online | Primalucelab.com
WO132 version 2.5: The Camera Rotator — Cosgrove's Cosmos
Alt-Az mounts for long exposure astrophotography - Camera rotators - Telescope Mounts Explained
PrimaLuceLab ARCO 2" Camera Rotator
Camera Angle Rotator with M92 thread - William Optics