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How did early photographers get exposure right either flash?
How did early photographers get exposure right either flash? I came across the post above about an office Christmas party photo from the early 20th century. I noticed that the whole scene was reasonably well lit. They would've been using flash powder lamps back then, I believe. My question: how did the meter for that so well? How did the light the whole scene reasonably evenly using a big puff of explodi...
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