To contribute something substantial for a change, I tested my three Loxias lenses on the A7 V. I can focus without any problems (as far as I could tell in this short test) at magnification. However, as soon as I use the aperture ring, it throws me out of magnification with all three Loxias (25, 50, 85). The A7 V seems to behave similarly to other new Sony bodies in this respect.