Samyang T2 universal adapter to mount the Samyang T2 fit lenses (such as the Samyang mirror lens range) to the relevant digital SLR Bodies. 

The T2 Mounts are available in most mounts, including Canon, Nikon. Sony A Mount (Konica Minolta), Pentax, Olympus 4/3, Samsung NX.

Differences between a T mount and a T2 mount. 

The only difference between a T mount and a T2 mount is that the T2 has three small screws which when loosened allow the outer mount to rotate so that the focusing scale or apertures is at the top. Then the screws are tightened.