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Lighting for me in front of a chalkboard?

COW Forums : Lighting Design Pros

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stan welksLighting for me in front of a chalkboard?
by on Nov 16, 2009 at 12:19:56 am

I want to shoot video of myself standing in front of a chalkboard and I am going to later composite text and graphics on top of the chalkboard in Final Cut Pro.

1. What is the best way to light both me and the chalkboard? Do I need to light the board separately?

Thanks!




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stan welksRe: Lighting for me in front of a chalkboard?
by on Nov 16, 2009 at 12:22:58 am

I will be using an HVX200 and Kinos.





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Mark SuszkoRe: Lighting for me in front of a chalkboard?
by on Nov 16, 2009 at 4:08:20 am

Will you actually turn to face the board and write on it, or is it more like a projection screen that is over your shoulder, and you never look back at it or touch it?

Consider how your shadow will or won't fall on it. If you need to be close to it and physically touch it, to point at stuff or write or draw, then I think you need big, soft lights from far left and right sides to keep from throwing a hard shadow. If this is more like a changing billboard over your shoulder, having enough distance separating you from the board in depth should keep shadows cast by the body from being an issue, and you can be more artful keylighting the body.

Maybe you want a *little* shadow on the board to sell that the writing is really on it, maybe not.


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stan welksRe: Lighting for me in front of a chalkboard?
by on Nov 16, 2009 at 5:06:01 am

I do not think I will ever need to write on it or touch it. I might turn to face it though. It will be more of a projection screen displaying images and text related to what I am talking about.

How far do you think I should be from the board and the lights should be from me and the board?

Thanks.



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Mark SuszkoRe: Lighting for me in front of a chalkboard?
by on Nov 16, 2009 at 11:03:52 am

At least your body height plus a foot, is my general rule.


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stan welksRe: Lighting for me in front of a chalkboard?
by on Nov 16, 2009 at 5:20:10 pm

"At least your body height plus a foot, is my general rule."

Are you referring to the distance I should be from the board OR the distance I should be from the lights, OR both?

Thanks.



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john sharafRe: Lighting for me in front of a chalkboard?
by on Nov 16, 2009 at 5:52:47 pm

The further away the better; to eliminate your shadow and to minimize green spill on foreground character.

JS





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stan welksRe: Lighting for me in front of a chalkboard?
by on Nov 16, 2009 at 9:36:44 pm

I'm not actually going to use green screen.



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Mark SuszkoRe: Lighting for me in front of a chalkboard?
by on Nov 16, 2009 at 11:22:47 pm

If it is a real green chalkboard, it will also reflect green onto the guy, though maybe not enough to be significant. Still, I was referring to a distance from the background to prevent shadow-casting onto it.


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