Watt/seconds for Infinite white

Started Apr 13, 2013 | Discussions thread
rfactor Contributing Member • Posts: 534
Re: Watt/seconds for Infinite white

Sailor Blue wrote:

I can make a white muslin background pure white with 25Ws of strobe power, but to do that I have to work at ISO 400-800. Normally I use a pair of strobes at about 100Ws and shoot at ISO 100-200 at 1/160sec and f/5.6 to f/8.

When you do this, are you using both strobes on the background and a third on the subject?  Is it possible to light an entire 9' white background with 1 light or are 2 necessary?

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