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trigger help

Hi.

I am currently working on a spec project where I am interested in capturing a unique visual look. I plan to use 4-8 digital cameras that have long exposure capabilities.

The idea is to use rear curtain flash method where the camera exposes the ccd for long exposures (1 second) and then triggers a flash before closing the shutter. What you get is a sharp image with a trailing background. Now take this idea and apply it to 4-8 cameras, all approximately connected close to each other. I plan to trigger each camera ?or 1/8 of a second delayed from one another, so that each camera gets a different moment in time. However I would like to have the other cameras temporarily close their shutter when the first camera is triggering the flash, and continue on , whereas only the camera that triggers the flash sees the flash and others don?t. I plan to shoot at fairly low resolution about 15-20 continuous pictures from each camera.

I can visualize how the effect might look like and I am looking at all possible ways to achieve the effect. Any suggestions on how to approach the electronic or mechanical solution or which cameras are more appropriate ..etc..would be extremely helpful.

Arman Matin
Fri, 09 Jul 2004 11:44:40 -0400

It seems that the tough part of this problem is the rear curtin flash. It's relatively easy to trigger multiple cameras (especially SLR's with remote shutter port). But to close the shutter on some of the cameras will be a very difficult feat.

Now if you can change that rear curtin flash to a front curtin flash, then your difficulty is virtually solved. Perhaps you can still get the trailing background by reversing the action . . . such as the vehicle moving backward, instead of forward.

What do you think? I don't know the particular details of your subject, so I don't know if this will work for you.

Chieh Cheng
Mon Jul 12 18:31:19 PDT 2004

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