Distance from _top_ of BMCC to lens-center?

I'd appreciate it if BMD support or anyone who has a BMCC could reply with the vertical distance between the top of the BMCC and the lens-center?
(In other words, how far above the center of the lens mount is the top of the cam?)
Thanks in advance!
(In other words, how far above the center of the lens mount is the top of the cam?)
Thanks in advance!