I just received the Redrock follow focus, to go along with the M2 adapter and rails. The follow focus works beautifully. My question is whether any of you folks are using teh Redrock follow focus with non-M2 set ups. Eventually I won't be using the follow focus with the M2, but the Redrock follow focus doesn't seem to allow for vertical adjustment (to raise the follow focus gear up or down). It's currently perfectly aligned to connect with the gear when set at the height of the M2's lens mount. So...my question...what if you're using a camera with a lens mount that is taller or shorter than the M2? Curious how others are using this follow focus system with other gear. Cheers.