105mm, f/4.
2 lights setup. The flash placed behind the model, just outside the frame is motivated by the practicle light in the background, there is a half cto gel on it.
The keylight has a deep silver umbrella on it.
I shot this at a relatively low speed, around 1/20s so the light from outside can reveal more of the space. It also adds an edge light to the left side of the model.
The latter had to freeze in each pose to avoid blur, caused by the natural windows light.
The model's eyes are watery because we used some "Kryolan Tear Stick" to help him get some deep stares.
very nicely lit and processed photo.