TS Optics M68 System - Adapter from PHOTOLINE 3" full size flattener TSFLAT3 to M68x1
The 3" corrector TSO-TSFLAT3 is a very good APO corrector for large format sensors. This adapter allows the connection of M68 adapters and accessories. The adapter also fits the William Optics corrector P-Flat68.Calculating the correct distance
The male thread is completely swallowed by the female thread of the following accessories and can be ignored. Remaining is the cylindrical part with the two chamfers, which requires 12.5 mm. This has to be subtracted from the recommended working distance of the corrector for taking the optical path of the adapter into account.
This adapter connects accessories with M68x1 thread to the 3 inch Apo corrector of TS Optics