AF hunting has nothing to do with the aperture setting.
The lens is always at it's max aperture during focusing (in this case, F2.8). Only when the shutter is fully pressed will the aperture stop down to the set value just before the picture is taken.
A lens with larger max aperture might help thou.
Or external light source or AF-assist illumination will be needed for proper AF under low light conditions.
The lens is always at it's max aperture during focusing (in this case, F2.8). Only when the shutter is fully pressed will the aperture stop down to the set value just before the picture is taken.
A lens with larger max aperture might help thou.
Or external light source or AF-assist illumination will be needed for proper AF under low light conditions.
A fast lens. According to the exif, you were using a 100 i believe f2.8.Stop down to f11. May want to try to stop down less to say f6.3 or f8. that way AF hunting should not cause so much of a headache for you. or shift your subject to an area where there is more light cast on her face.
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