I have a question that dovetails into this, maybe someone can render an opinion.
Lets say I set up a big softbox as my sole main light.
Lets say I want no other light as I am working on the way the light wraps around the model.
At some point my "shadow" side is going to register RGB000.
Obviously, at the point I go to pitch black, no shadow detail will be rendered at all.
Say my lattitude (for the sake of argument) the bottom end, is F4.
Since I can always pull the shadows down a bit in Photoshop later, wouldn't it benefit me to add a fill to the dark side at just above F4 as it would provide me a bit of play in post production?
Isn't that the same idea of some studios firing a bunch of fill strobes at a constant fill for all shots?
Mark
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