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Old Oct 27, 2003, 11:10 PM   #1
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Join Date: Oct 2003
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Default Canon G3 and Vivitar 2800 flash

I recently bought a Canon G3 digicam. I have a Vivitar 2800 flash (non-TTL, single pin) and cannot get it to work with the camera. The G3 seems to know it is there because the flash button becomes deactivated. When I take a picture, the charge light is turn off but no flash. I set camera to manual mode with 1/60 shutter spreed.

Any suggestions or is this flash just not compatible?

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Old Oct 28, 2003, 5:29 AM   #2
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Posts: 1,910

You're not the only one who has had this problem, others on the net describe the same problem. The main problem is the voltage on the flash pin is TOO HIGH for the G3 (most digitals like a maximum of 10 volts while this flash has been reported to be 140-170 volts; the 2800-D is 4 volts).

From http://www.botzilla.com/photo/strobeVolts.html

"140-170V, according to Bart Van Oudenhove,
though Paul Durant reports his new one measured 20V.
Dave Senciall says his G3 wouldn't fire his 140V version,
and Jack Benson reported his 2800-D (same model?) returned only 4V..."
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