Front side - RMS (0.8″ - 36 tpi) female thread
Rear side - RMS (0.8″ - 36 tpi) male thread
Max. diameter - 24 mm
Distance between flanges - 12 mm
Weight - 6 g
Machined of high quality aluminium alloy

If you need to mix DIN (45mm parfocal height) and RMS (about 33mm parfocal height) objectives on the same turret, you can add these adapters to RMS objectives, so all your mounted objectives will have same 45mm parfocal height.

This way you will need just micro adjusting after switching from one objective to another.

12mm adapter to match parfocal heights of DIN and RMS objectives, black (RafCamera)