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| p.1 #3 · Trying to understand this setup/ratio |
I don't think it's multiple exposures.
It's just a big light source camera left, creating the softer shadow on the right, and a small light source camera right, creating the hard shadows on the left. It may, in fact, be two small light sources camera right.
Look at the big chalice she's pouring liquid out of. Big light camera left, one or two small lights camera right.