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ISO

Guide Numbers and Watt-Seconds: Related?

Whenever I think about hauling lighting equipment to a location, the question comes up: Should I take a.c. strobes, extension cords and power bars, or will a couple of hot-shoe flashes, umbrellas and stands do it? Hmmmm…I know what I’d

Gordon Wood August 26, 2011February 21, 2017 flash, GN, guide number, ISO, light, watt seconds No Comments Read more

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