Quote Originally Posted by Brian C. Miller View Post
As an example, let's say that you are outdoors. Your camera has a Busch Rapid Aplanat lens, circa 1904.

What would you do with the lens to control scene contrast? Say on a sunny day, or a cloudy day.
Replace it with a different one. I'm not sure I understand the intent of the question---we all agree that a lower-contrast lens is going to lose information, in the form of microcontrast distinctions, that can't then be "resurrected" in the darkroom, don't we?