Adjusting the focal plane and backfocus of your camera is now easy thanks to the Fast Focus Plane Kit!
This kit includes a tilter with 7 different adapters to be able to remedy all your needs:
This kit works best with 17.5 mm backfocus CMOS cameras, as the mean thickness of the tilter ist 37.5 mm. That sums up to 55 mm - perfectly fitting the working distance of many flatteners and coma correctors.
At a working distance of 12.5 mm, you can simply add an extension ring with a thickness of 5 mm; when used purely as a tilter, i.e. without a flattener or corrector, the distance is less critical.
https://www.apm-telescopes.net/en/artesky-fast-focus-plane-kit