P3D Re: Flash (was Flash and 3D)

[Eric Goldstein <egoldste@xxxxxx>]

John W Roberts wrote:

> Therefore, purely on a mathematical basis and without having actually tried
> these, it would appear that:
>  - Using an extended flash (e.g. an umbrella reflector), the light should
>      fall off less rapidly than with a small flash source. [Inverse
>      square is the model for a point source.]
>  - If the flash is powerful enough, moving it back further away from
>      the subjects should help reduce uneven illumination (provided
>      the shadow of the camera, etc. doesn't fall on the subject!).


A trick the old timers will tell you when shooting flash is to arrange
the darkly colored objects in the foreground and move the light objects
to the back as best as you can. Works!


Eric G.


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