Hi, I never have used auto focus with a macro lens at macro distances because my feeling has always been that auto focus has no way of knowing exactly the point I want to focus on, so why use it and I am usually NOT in a hurry and can take my time with setup and in fact rather enjoy the manual macro-focusing process. Prior to moving over to the A7iv I used Nikon cameras and lenses and even with the move I have kept my Nikkor 105 macro auto focus lens, which I have used manually on the Sony body with a Metabones adapter with good results. I have also used it in shooting video on Sony video cameras.
All that said, I haven't used either of the two lenses in question, but I am intrigued with both of them, most particularly the Sony FE 90 macro lens which has the push/pull collar to take the lens in and out of autofocus; I am used to that collar on the Sony 18-110 video lens I have used since it came out, and rather like the action of that mechanism. I have read numerous reviews and looked at many excellent photos taken with both lenses and been impressed with both of them. It would be hard for me to chose between them just based on image quality.
I haven't used an A7RII in several years, but I think it's like most of the others. If it is, there are two ways to have it track. One is to use Tracking Expand Flexible Spot (on most of my Sonys the tracking versions are tucked away in a submenu of the Focus Area menu). The other way is to set a custom button to Tracking, and hold it down when you want to track the current focus.
You say the lens "will not focus" - you mean you press the AF ON button and nothing happens? Please don't be offended, but is possible the switch on the lens is set to MF? (I only ask because that was the answer to another person's question...)
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