Question about Canon Speedlite 550EX TTL Flash
I started having intermittent problems with my 550EX flash on my newer 40D. Every once in a while I get a totally blown out image for no apparent reason. Have checked the settings and can't figure it out. I used my Canon 10D at a function and it doesn't happen with the 10D. Anyone else have this problem?
SOURCE: Canon Speedlite 550EX
I know you probably have already fixed the problem, but in case you didn't, or just to help others with the same problem:
This morning I connected my 550 EX to my camera and had the same issue with the info on the LCD flashing incessantly. Turned out to be the diffuser on top of the flash head, the one you pull out, then down over the flash to soften the light. If the diffuser is pulled out even two millimeters from its resting position, the LCD won't stop flashing! Just push it back in, and voila!
hope this can be of help
Posted on Jan 06, 2008
If you are not in P, AV, TV or M then the camera will not allow that feature. The picture modes disable many higher, more sophistocated features.
Posted on Feb 28, 2010
SOURCE: the 580EX is firing but
When the flash mode TTL. Then this situation can occur if the proximity is working with other studio flash light traps. Your work makes flash another flash while TTL metering. And when is your main flash another flash did not have time to recharge.
Posted on Oct 02, 2010
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