Due to misaligned stars I have studio shoot with a film camera tomorrow, but no flashmeter or polaroids. The digital camera I could use for chimping goes only to ISO 200 @ f/22, but the film is ISO 100 and I need f/22. In case the studio doesn't have ND filters or a light meter, I need to figure out how to chimp with what I have.
So, do I have the math right: chimped shot at ISO 200 correctly exposed, flash #1 at 1 meter from subject, flash #2 at 2 meters. To convert to ISO 100 while keeping aperture constant, I'd need to increase flash #1 by 1 stop, and flash #2 by 2 stops due to different distances. Correct?
Any other ideas are also welcome. Yes, even if the math works out, I will be bracketing like there's no tomorrow.