300 watts is not allot of light you might be able to shoot 400 iso at f5.6 but not anything like 100 iso.. Maybe if you shoot like f 1.8. I went the CFL route and quickly changed...
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Cameras: Canon 60D, Canon 20D, 35mm Nikon FM2n
Canon EF lens used : 50mm f1.8, 18-55mm f/3.5-5.5, 75-300mm f/4.5-5, 85mm f/1.8
Tamron Lens: 28-75mm F/2.8 XR Di LD Aspherical (IF)
Strobist: Canon 580EX II , "Vivitar DF400MZ, Nikon SB-24, LP-160(cactus v4/v5)"
http://flickr.com/photos/bhursey | http://brianhurseyphotography.com
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