I have just purchased a Canon M3, coming from a 5D mk2 that I have been using less and less due to the effort of carrying it around. I've been looking for something smaller that fits in the MTB/Sking backpack. I've got the EF-S to EF-M adapter, so can use my 11-16 F2.8, 50mm F1.4 and 100mm F2...