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G'morning Ladies and Gentlemen:
I want to undergo the various (practical) steps to establish my "working film speed" but after years of absence from the field, have forgotten how. I apply the zone system to my work and typically use a B&W ASA 125 film as my "go to" medium.
Help! Reference to specific manuals or articles (in layman's language please) would also be of assistance.
Thanks in advance
Bennett Brown
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