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which Sony alpha cameras have specifically bird eye af tracking?

Hallo, ich filme überwiegend als Zweitkamera und für den Gimbal mit der Alpha 6500. Da ich beim gimbaln gerne mit sehr offener Blende drehe, z.B. mit der 16mm von Sigma mit Blende 1.4 ist es sehr hilfreich bei einer Moderation einer Person die Gesichtserkennung einzuschalten. Mir ist allerdings aufgefallen, daß diese nicht immer sauber funktioniert. Ich meine, manchmal dauert es bis sie die Person findet und desöftern bricht sie auch den Kontakt ab (rechteckiges Fenster verschwindet). Da ich nicht 100% weiß, ob ich alle Einstellungen richtig hab, wollte ich im Forum mal nach Erfahrungswerten nachfragen. Zudem fällt mir auch auf, wenn ich im Bildprofil 9 drehe (also S-Log3) ist es noch schlechter mit der Erkennung von Gesichtern. Kann das eigentlich sein? Kann es auch sein, daß ein schraubbarer ND-Filter die Erkennung beeinträchtigt? Danke vorab.

Hi on Saturday , not for the first time, I gave up trying to use the eye focus on my A7r2. It matters not which lens I have fitted, but the acquisition of a face square and the eye focus square are random to say the least. Given the praises that have been sung over these focusing aids I have to assume I have something not set correctly. I was taking 20-30 images of 50 models at speed so I tried both continuous and single focus modes, full focus area and zone are and even centre area. I have face recognition turned on and eye focus assigned to c3 button. I was shooting with studio lights at f8 _ 1/160 _ iso 100 all day . Is there a focal length that works better, I see videos of people using all sorts of focal lengths and still saying how brilliant the eye focus is. I found standing in roughly the same place and the models the same that the face recognition was totally random when it appeared. The images them selves are fine , in fact every one is in focus so thats not a issue. What are the aperture and other parameters that you have found that allow the camera to regularly find faces never mind the eye focus?

I have not had my 7RII for very long but I am not new to digital photography (I probably qualify as an "old fart"). I do mostly portrait photography, in studio and outside. I use AF-C with EyeFocus on the AEL button and that works well. Now, if I am working outside, I may be further away from the model or I may want to take a quick photo of a car passing by (or whatever). In that situation, EyeFocus will not work and that's very annoying because the camera is not focussing properly when hitting the EyeFocus button since there is no eye to focus on. What would be a good setup/setting to be able to focus in both types of situations? EyeFocus on AEL (as it is) and use another button for another type of focus? Or can I leave the shutter half-press to normal focus (it is currently off) and use the AEL button only when I want EyeFocus? Any insightful advice will be appreciated.