My implementation would be for high volume photography (sorting/post processing).... If I can get the image name, as the picture is taken, to be sent to a tethered android tablet, I would be able to ...
Most Nikon DSLR have a tethered capture option, however I haven't come across any of them that controls the zoom of the DSLR. I guess the zoom is controlled manually by rotating the ring on the lens. ...