TS Optics M68 System M68 extension ring with 5 mm length Like the T2 and M48 threads, the M6x1 Zeiss level thread is well established for high-quality adaptions. In all cases where the smaller US standard threads are not sufficient anymore, this thread is willingly used.
The extension ring with a length of 5 mm and M68 threads on both sides is thought for exact adjustment of the distance.
Delivery contents Products specifications
| Unobstructed inner diameter | 63mm |
| Connection to telescope | M68x1 thread, female |
| Connection to camera | M68x1 male thread, length 4 mm |
| Total length | 5 mm (optical length) |
