I'm confused about the Face Recognition settings on my D4. I read that the "Portrait" setting enables Face Recognition (to 35 faces!) in Live View (that seems to work fine). I also read that when switching over to Viewfinder View, the face recognition still works but the faces are not identified in the viewfinder even tho' the closest 'face' will still be in focus.
My experience so far is that with AF-S the focus point is active and appears to supersede Face Recognition. Anyone know what's really happening or how to set it to focus on faces in viewfinder view?
Also, how do you set it up to expose faces properly? The manual is poor in explaining all of this.
The way I am reading the manual (PDF pages 100-101) is that face-detection is an option only when using af-auto where the camera is doing all the focus point selection. In af-dynamic and af-single, you are picking the focus point(s).
---------+---------+---------+---------+ Joseph K Seattle, WA, USA
One thing to watch out for with face priority is that if the subject is turned away slightly - a profile for example - Face Priority can focus on the background faces. It's not a big deal but just involves some caution for critical shots.
Thank you Eric! I agree with you (but I think your comment holds true for any critical image at a wedding). I typically take three images of critical photos (e. g. formals). I'll certainly heed your advice for my next wedding!
I can't see how a face detector could be faster than using a fixed focus point, lock focus, and recompose. If speed is what ya need I would be too afraid it would attempt to lock on the wrong face. I personally think these face/animal detectors are for the point and shoot crowd. Obviously the OP feels different. I'd imagine he is a seasoned wedding photographer looking for any advantage he can get.
The only advantage I can see it having is if the detector is using the shape of the face as opposed to me sometimes attempting to lock onto the subjects eyes and not having enough contrast to lock on due to squinting or sleeping...
I can't use focus lock and recompose on a moving subject in theatre. So what I do is move focus points left-right-up-down to get the composition I need in AF-C. But it takes time to move the focus point. Sometimes causing a lost shot which will not reoccur.
So if face-priority can keep up and allow me to get a composition I want, I'm keen to try it. I am assuming I can use AF-C?