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Lighting for shadows


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#1 Gary Douglas

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Posted 28 July 2008 - 06:44 PM

Hi, i'm lighting a back wall of white material. The subjects are causing shadows to be cast on the back wall. They look good. But problem is, I also want the back wall lit, so when they are lit I lose most of the shadow. I don't want to interfere with the soft skin tone i'm getting from the main lights.
So do I.

A) Film the scene lighting the back wall and make the shadow darker with post production effects or add another shadow altogether (is that even possible for a natural shadow look with the subject constantly moving?)


B Film the scene with shadow and make the wall brighter in post, perhaps with overlapping footage, or some other way?

or
C) Any other option available?

Edited by Gary Douglas, 28 July 2008 - 06:45 PM.

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#2 Chris Keth

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Posted 28 July 2008 - 06:47 PM

I'm not sure if I understand your problem. Is it that the lights you are using to fill your subjects are also filling the shadows on the wall, and you would rather the shadows on the wall stayed dark?
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#3 Gary Douglas

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Posted 28 July 2008 - 10:29 PM

yes exactly

I need the fill to light up the material at the back so it's very harsh light.
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#4 Chris Keth

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Posted 28 July 2008 - 11:07 PM

If you don't want to fill the shadows on the wall, you have a few options of varying usefulness:

1.) Don't fill the subject.

2.) Get the subjects further from the wall.

3.) Fill with a light that falls off quickly so very little of it hits the wall.

4.) Fill the subject from a different direction that would allow you to cut the fill off of the wall entirely.

5.) My choice: a combination of 3 and 4.

For example, you could fill from a higher angle with a kino. Leave the eggcrate on and use some larger solids to cut as much of the fill off of the wall as possible.
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Technodolly

Broadcast Solutions Inc

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Aerial Filmworks

Visual Products