Jakby co, to jak na razie IBIS nie współpracuje z obiektywem Sigma 50mm f/1.4 DG HSM Art.
https://www.canonrumors.com/forum/th...01/post-855819
IBIS worked great on vintage lenses. It also works just fine with my 24mm and 35mm Art lenses. It does not work at all with my 50mm Art.