C mount male to T2 (M42 x 0.75mm) female adapter.
Use this adapter to attach a guiding camera with a C mount, such as a SX lodestar (all versions), to a male T2 M42 x 0.75mm (T-thread), such as the ONAG guider focuser.
Can be used at the ONAG SC imager port (IP), and guider port (GP).
Can be used at the ONAG XT guider port (GP).
Back focus: 6.35mm