Are you using negative film, or transparency film?
If negative film, and you are shooting black and white, you set your exposure based on a shadow area with important detail, then measure the highlight with important detail, and determine from the difference between the two what development to use.
What he said.
Warning!! Handling a Hasselblad can be harmful to your financial well being!
Nothing beats a great piece of glass!
I leave the digital work for the urologists and proctologists.