Here is an excellent video explaining why the Octobox 150 from Broncolor, is such a popular light with Commercial Professional Large Format Photographers.
https://www.youtube.com/watch?v=82m2zJv2iWg
It's expensive! I saved up, Adorama had a used one that popped up, like new, for $250. I pounced on it, it's worth every cent I spent on it (to me!) What a phenomenal addition to my little studio!
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