11mm not 10mm?
and f/4 not 3.5?
sigma has 8-16 f/4-5.6
well the EOS M world is uninteresting so i wouldn't expect a surprise lens, but 11-22 IS? why not a smaller 10-22? and who needs IS with such a lens?
a very pleasant surprise would a be an 8mm f/3.5 pancake but 11-22?
5D3 + 6D + 600D
STM 40, EF 50 1.4, EF 85 1.8, 100L, 24-70L II, 70-200 2.8 IS II, Sigma 12-24 II, Samyang 8mm Fisheye, EF-S 10-22, EF-S 15-85 and my old and fair working 350D.