3 Helpful Parameters to Understand the Fujifilm X-T2 AF-C Custom Settings
One new and important feature introduced by Fuji with the X-T2 are the Fujifilm X-T2 AF-C Custom Setting. But how exactly do they work and can help us to take the best out of our X-T2 autofocus tracking capability? Fujifilm-x highlighted 3 parameters:
“First is Tracking Sensitivity. It adjusts the time that AF system continues to predict the subject movement. If you have it at “0”. There is no AF prediction. If you have it at “4”, then it will continue to predict for 1.3 sec based on the information that the camera gathered up to that point. “1”, “2”, and “3” predict for 0.4 sec, 0.7 sec, and 1.0 sec respectively.
In sports photography, obstacles often come in and out of the frame. This setting allows you to adjust, so that you will not to get bothered by such obstacles. If you are tracking a soccer player playing against another player, your best bet is to set it at “3” or “4”. But for such sports as skiing and skateboarding, it is less likely that any obstacle would come into the frame. So the camera would be better off set at “0” to continue tracking in linear motion.
Next is Speed Tracking Sensitivity. Prior to X-T2, the X Series cameras assumed that the subject moved at a constant speed in order to predict the motion. This assumption was OK if the subject were a train or a track and field athlete. But in case of motor sport, the cars accelerates and decelerates […] To overcome the problem, the new parameter assumes the speed is not constant in order to predict the movements. […]
Lastly, Zone Area Switching. […] “CENTER” means that AF prioritizes the center of the Zone area. Keep in mind, this is not center of the frame, but of the Zone area. So if you have adjusted the AF position with the focus lever, then the preference will also be shifted. “FRONT” prioritizes on the closest subject within the Zone area.
Of course, if there were no subject at center or in the front, then the AF search will be conducted to find the subject. “AUTO” basically has no preferences, and it searches in all area.”
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