Fujinon 35mm f/1.4 with X-T3

ediblestarfish wrote:

My uninformed guess is that Fuji doesn't do much if any predictive focusing to lead an intended focus target. Kind of like shooting an arrow on a moving target, you have to aim for where the target will be by the time the arrow hits, instead of aiming at where the target is right now.

So I assume the Fuji system is very reactive, since it always seems to have a bit of lag that never catches up. If my kid is running to me at a predictable rate, I usually have just as predictable back focus.

My experience with top end AF from Nikon and Sony gives me confidence in saying that they have a predictive AF system that is capable of estimating where the subject will be right when the shutter hits. I'm not using those systems right now for several reasons, but I may consider testing them out more in the near future.

Maybe the Fuji update in April will help fix the situation to be less of an issue, or correct it outright. Or perhaps it may take some further updates beyond that.

In any case, I'm keeping an eye on other system AF performance as it is one of the biggest frustrations I have in terms of both enjoyment and IQ.

The annoyance factor of having to shoot a dozen images in burst every time, then slowly checking focus on each to find the best because you feel you can't rely on the camera is pretty maddening.

Yes. To work it has to lock on to the face very quickly and then track it. If you can’t get a lock in the first place the system breaks down. With the 35mm wide open I can’t get a lock. Never had this problem with Canon. I may have to compromise and get a faster lens.