hello all my lenses are sigma art, for Canon 5D Mark IV. with the ronin the focus does not work. makes a noise when turning the wheel as if trying to focus but does not.
My objectives are 24mm, 50mm, 85mm all art 1.4
También un canon 70-200 is II
The rec function, if it works.
I see that the Ronin approach has two buttons, but I do not know what they are for. I need help

Hi there. Sorry for the inconvenience caused. Can you please try to follow all the following steps on the attached image below? Also as of the moment, the sigma art lens is not yet compatible with our Ronin S. I suggest you use the listed compatible lens on the chart below. Should you have further question, please let me know. Thank you.

hello we are many photographers who trust in the quality of the new series of sigma art. please rate the possibility of including these lenses.

Rate the possibility of including the sigma brand for the near future, the art series is the most useful Currently, for its quality and price. Many photographers are using it.