17mm "wide angle" street photography lenses for Micro Four Thirds

see also:

introduction

comparison of AF lenses

Olympus 17mm f/1.2 Sigma 16mm f/1.4 Olympus 17mm f/1.8
price $AU $AU $AU
weathersealing Yes splashproof No
weight g 405g 120g
length mm 92mm 35.5mm
filter mm 67mm 46mm
diaphragm 9 rounded 7 rounded
close focus m 0.25m 0.25m
MF clutch Yes No Yes
dXoMark score ? ? ?
sharpness at f/1.8 % accutance centre, % at edge % accutance centre, % at edge % accutance centre, % at edge
transmission wide open T T T
distortion % 0% 0%
vignetting at f/1.8 EV (EV at f/1.4) EV (EV at f/1.4) EV
lateral CA at edge at f/1.8 micron micron micron
shallow DOF
bokeh
long. CA
coma