Either massively overexposing so whole picture bleached out or underexposing by 3-4 stops. Also shutter sometimes didn't release when flash was attached. Both flashes worked ok with the 20D though...
Just found this website. We are having problems with Canon 40D and Canon 580EX and 580EX II flash unit not working together. Bought Mk II flash thinking the problem was the other flash unit but same problem. 40D is out of warranty period and we need it back fairly quickly. Anyone recommend a...
Just found this website. We are having problems with Canon 40D and Canon 580EX and 580EX II flash unit not working together. Bought Mk II flash thinking the problem was the other flash unit but same problem. 40D is out of warranty period and we need it back fairly quickly. Anyone recommend a...
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