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reprogram / hardcode a camera, is it possible?

Hi, Is it possible to use an existing digital camera but re program it so that it simply takes 3 or 4 images with increasing exposure settings once a timer has elapsed?
Or will I have to build a new unit from scratch using an fpga and 4 or 5 Mpix CMOS sensor writing its bitmap output stream to SD Card, which i believe will be very costly.

If anyone knows how to do this or can do it, i am very keen to hear from you.

Many thanks in advance.

Tocher
Wed, 08 Nov 2006 06:42:59 -0800

I think it depends on what kind of camera . . . If you have a camera with auto-exposure bracket (AEB), then you can configure the camera to shoot images with various exposure settings.

If you have a camera with a timer on it (usually 10 seconds), then use can use the timer in addition to the AEB to achieve what you want.

Most SLR cameras have both features that I just mentioned. But most are limited to 10 seconds.

If you want to use a different timer, you can wire into the trigger port (most SLR cameras have those, too). Instructions on this web site will help you do that. And you'll have to build a timer yourself. The "Hacking Digital Cameras" book has a chapter on building the timer and wiring into the trigger port.

Chieh Cheng
Wed, 08 Nov 2006 09:35:29 -0800

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