Stephen Eastwood
Member
Anyone use this and have a real life experience and also able to say what f stop at a given iso/distance/shutter speed? I know I usually shoot a camera that is about 320iso, and shoot at 1/48th to 1/60th and like to be at f3.4 so I am as wide open as possible outside of any zoom, so I would love to know how much light this puts out at say 6 to 10 feet. Thanks.
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