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Strobe power out put


I hope this does sound foolish but here it goes.

I am working with hot lights but I want to get strobes.

I know what 650 watt tungsten light will give me under certain conditions however, I want to get strobes so I need to know how does 300ws watt seconds compare to 650 watt tungsten light (Arri lamp).

If I am shooting at f22 for a 15th of a sec with 650 watt hot light, what will a 300ws strobe give me with a shutter speed of 125th of a sec?

I'm hoping I will be able to close down to f22 for larger depth of field on some jewelry I have been photographing.

Thanks for the help.
Lou


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April 03, 2007

 
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