It’s a Linos 50mm TV - Heligon lens, the aperture isn’t posted anywhere as far as I could find but with some measuring and math says it’s about f/0.9. The lens has no aperture or focus control which made for some fun. Basically the easiest way to focus was by literally moving the camera.
Also due to how far from the sensor the lens sits it made this lens a macro lens on my camera as I was unable to get the back of the lens close enough to the sensor to actually focus very far out.
For post-processing I put the raw into Lightroom and adjusted the colors a little bit and I added the vinette in Lightroom as well because I wanted to add a more “from the eye” kind of look to it.
As a fun little fact: the miniature in the photo is about 35mm tall and their hand is about 10mm in front of their face.