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Old Oct 25, 2005, 7:44 PM   #1
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If I have 2 alienbees B400 monoblocks and a Sigma EF-500 Super, how would you arrange the lights in a 3-point system? Should I use the Sigma as a backlight or hairlight? I was thinking about doing that, but with the AB units, I can affix a grid or snoot. I can't really do that with the sigma flash, so should I use the sigma as a fill or something?
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Old Nov 23, 2005, 5:57 PM   #2
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I thought I had responded to this post once but apparently not

What type of attachments on the ABs? Umbrellas, softbox, anything?

I would try to stay away from using the Sigma up front unless you are going to diffuse the light somehow. Set it behind the subject and use as a rim light or background light if you need that. If you can get it up high use it as a hair light.

Start simple with the front light setups. Camera in center, lights on each side approximately 45 degrees between camera and subject.

You can shoot both ABs the same for even lighting or shoot a ratio so that one side is slightly darker. If the subjects head is turned slightly (it should be) and not straight at the camera light the short side of the face brighter. The short side would be the side of the face that is least visible from the cameras point of view.
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Old Nov 23, 2005, 6:15 PM   #3
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Actually, setting up both lights at 45 degrees is going to give you very flat lighting. You want a main light about 35-45 degrees to one side & your fill light (set about 1-2 stops lower) either directly in front or about 10 degrees the opposite side center-front.

I would use the alien bees for the main & fill & the sigma for either a hair or background light. Like this:
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Old Nov 23, 2005, 9:44 PM   #4
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You can definitely improve the lighting by varying location but 45 and 45 is completely acceptable as a starting point. One light can be stopped down and the results will not be flat.
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