Found this while scouring the net for info on this lens:
EDIT: Remember, it's on a Sony, so it won't be as wide, nor the DOF quite as pronounced on MFT.
http://darkshape.blogspot.com/2014/04/58-samyang-12mm-f20-for-sony-nex-samples.html
That article highlights the difference between NEX and m43 when he says "This lens is so compact!". Not thats its huge, but its as long as maybe 6-8 P14s