Nothing says how unsuccessful this system has been like this price:
http://www.bhphotovideo.com/c/product/1013896-GREY/canon_5985b002_wb_ef_m_22mm_f_2_stm.html
If you have an M and not this lens, don't even hesitate.
http://www.bhphotovideo.com/c/product/1013896-GREY/canon_5985b002_wb_ef_m_22mm_f_2_stm.html
If you have an M and not this lens, don't even hesitate.