Yes i use a similar focus with Firestorm tools, usualy aeound 80/100mm for portrait, and i take my pics in a studio a bit similar with a real one, using only light generated by my spots and unbrella and not windlights.
Hello, one of my favorite work in SL, photographie in studio.
I like black backgrounds and deep shadows.
Here in Flickr with a lot of other pics: https://flic.kr/p/2e1fEkn