This is my son, shot at about f2 with a Contax mount 1936 Zeiss Jena Sonnar 5cm 1.5. I love how his luscious lashes pop. Don't know where he got those from...
I use the lens via an Amedeo adapter. I calibrated the lens to my liking, it's very good as a close up portrait lens. Leica M2, Fuji C200.