M68 sensor tilt plate (5mm) is independently developed by ZWO and specially made to match with the full-frame cooled camera ZWO ASI6200MM/MC Pro.
You are encouraged to use it with ZWO 2inch EFW and ZWO M68 OAG and mount them on the M68-thread telescope side.
The original M54 sensor tilt plate of ASI6200 can only be used to connect with the M42/M48 thread telescope side for now.
While this new M68 sensor tilter plate can be used to connect with the M68 thread telescope side.
The best solution of 55mm back focus length