Posted by Greg Melton on 01/28/07 01:53

On Sun, 28 Jan 2007 01:10:50 GMT, "David McCall"
<david_____@techshop.net> wrote:

>There are many things you can do, but the most effective thing I've found
>is to put the light on the opposite side of the screen from the speaker.
>
>This creates a side light from the same side of the presenter as the light
>from the screen itself, so it looks more natural than front light. When the
>presenter is speaking to the audience he will only be half lit, but you will
>be able to see him. When he looks over to toward the screen he will be
>nicely lit. You can add a second light to help fill the other side.
>
>Presenters sometimes walk right in front of the screen, and a light well
>to the side will still work, while a light from the front will not.
>
>If the speaker is on the right side of the screen then put the light in a
>similar
>position, but on the left side of the screen. This puts the light source at
>about
>90 degrees to the screen, and any stray light will affect the image much
>less
>than if it was from the front. This light would want to be 8'-12' above the
>floor
>(depending on how big the screen is).
>
>You will need some way to control the light so that it doesn't get in the
>audience's eyes, or on the screen. This is what you use "barndoors" for.
>If you don't have barndoors on your light then you will have to improvise.
>You can buy a product called Blackwrap which is aluminum foil painted
>black. I suppose you could paint your own (use high temperature paint).
>You can attach it with spring clamps. Another poster has already suggested
>using an ellipsoidal reflector light (Leko). They have 4 nice shutters that
>allow
>you to shape the light beam fairly precisely. They are mostly used in
>theater
>an clamped to pipe battens. You will need to come up with a way of
>mounting it.
>
>David
>

If stand mounted, a "bail block" or "tvmp adapter" instead of a clamp
mount is needed. Should be mounted on a c-stand or better.

http://www.bhphotovideo.com/bnh/controller/home?O=1358&A=details&Q=&sku=33181&is=REG&addedTroughType=categoryNavigation

Greg

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