This page puts the Panasonic Lumix S PRO 50mm f/1.4 to use for portraits on the Panasonic S1R using Eye AF focusing mode. A reflector was used for fill lighting.
In diglloyd L-Mount Mirrorless:
Examples: Portraits using Eye AF (Panasonic S1R)
Includes images up to full camera resolution, presented in both color and black and white.
I have fewer images to show here because I shot fewer, and the Panasonic Eye AF let me down again. I give Sony Eye AF an "A" and Panasonic Eye AF a "D+".
f1.4 @ 1/2000 sec, ISO 100; 2019-05-11 15:02:12[low-res image for bot]
Panasonic S1R + Panasonic Lumix S PRO 50mm f/1.4
RAW: Enhance Details, LACA corrected, distortion corrected