Re: [photo-3d] Multiple flash...

[Oliver Dean <3d-image@xxxxxxxxxxxxxx>]

Although not a caver, I have been fascinated by this excellent and
informative thread.  

"David W. Kesner" wrote:

> When I use Vivitar 283's for big rooms I set it at the f4 auto
> setting which makes it good out to about 30 feet (assuming ASA
> 100 film) in perfect conditions (in a dark lava tube it works
> out to only about 20 feet). Now just make sure the subject you
> are lighting is 30 feet or closer. You can have one flash 10
> feet from one subject and another flash 20 feet from another
> subject, etc. and get them all lit properly.
> 
> Of course, I mainly use bulbs for the big shots and for that
> you must calculate and set the flashes the appropriate
> distance from the subject.

I was just wondering -- in order to maximize depth of field and also
avoid schlepping flashbulbs in (and out!) of the caves, wouldn't it be
possible, for a given flash position, to make multiple flashes from that
position to build up exposure on the big or distant shots?
I'm assuming you are using the camera on a tripod, of course. 

Cordially,
Oliver Dean

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