I've been reading Ansel Adams' book "The Negative" in which he explains how to d etermine one's personal film speed given one's equpiment and developing techniqu e. His described process calls for a densitometer. I have to admit that I am lac king access to a densitometer, so I am wondering what other ways are there to de termine one's personal film speed for Zone system work/applications.
Any suggestions on other resources I should look at to determine film speed?
Thanks, Robert
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