Agree with many of the posts above. Every measuring device has it's own bias. If you can synchronize the meters, great. Ohterwise, tweak the exposure index to get the readings to match, simplifying the testing process. Last thing I want to do is be distracted with worry about the exposure...
No need to get overly complicated. Basically, you need a light tight connection to the camera, a method to hold the film flat and an indexing to know when the film is perpendicular to the light path from the lens.
As I recall, we needed a 300mm normal lens or longer to have any movements at all on an 8x10 camera. Any shorter focal lengths needed to be super angulons to have room for movements. Very important for still life or architecture.
For a few months, I am residing in Upstate NY where I worked a a professional photographer for many years. My studio did commercial assignments for many years as well as portrait work. I am a graduate of Rochester Institute of Technology. Having approached the end of my formal work life, I am...
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