The shot was taken with a Sony Alpha and a Minolta 28-75 2.8 lens at 2.8. The image stabilization of the alpha gave me enough to get the shot at 1/30th of a second.
The light was natural, coming in through a big glass window in the stairwell.
Oh wow! First Alpha I see here. How do you like it? This is a really good shot. Normally I don't care for empty spaces, but in this case it really works. The subject is simply gorgeous and is neither too tense nor too relaxed, just right. The corner appears a tad bit overexposed. IMHO.