u/2mitts

I work in a small film program that has five BMPC4K cameras, with a range of Rokinon and samyang lenses. One lens in particular (title) will not properly attach to any of these cameras even though it locks properly onto an Olympus body. Is there a known issue with these lower end cameras and their mount or is this an out or spec lens issue that my Olympus is somehow able to overcome? At a loss here so any direction is appreciated!