I bought this lens for my A77 and was very disappointed 'cause the AF was very unreliable, OK for people, but horrible for landscape. Tried to fix it with the Sigma docking station, but that only works if you have a clear front- or back-focus on the lens and you don't have the possibility to correct...
fast/bright lens; very sharp; great built quality; nice bokeh AF on mirror-less cameras (with LA EA3 on the A6300; BUT only in AF-C mode) is very reliable; even in dim light (with the iris open
Slow focus (but for an 18-35mm f1.8 which i do not intend to use for sports; it's OK); CA (but as I shoot raw; no problem in post processing); weight (again; it's an f1.8 lens; it simply can't be that lightweight) Focusing on SLR (those with that clapping mirror) is inaccurate; not correctable with...