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Hi,
I have been using a9 for a number of years. I have noticed when I use real time tracking af with my sigma 35mm f1.2, with bright high contrast background like foliage and a back lit face, the a9 will focus on the leaves instead of the face even though it shows a green face detect box on the face in viewfinder.
Anyone has this issue? I am not sure if it is lens dependent and if changing to the Sony 35mm Gm might help.
Because of this I have switch to a movable spot focus which is more reliable.
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