Having problems with your Canon EOS 40D Digital Camera ?
Flash exposure does not work in Av and Tv mode
\015 My EOS40D does not seem to account for the flash when calculating exposure in Av and Tv mode. In program mode, the flash works fine, but when I enter for example aperture priority and set the aperture to F4.0 or F5.6 and turn the flash on, I still get exposure times like 1/15 indoor. The flash fire anyway, and it is even used when I press the button down do meter the exposure, but the shutter speed is not set correct. In shutter speed priority I get the same problem. If I set shutter speed to 1/60, the aperture flashes to indicate under-exposure.\015\012In short, it seem to calculate exposure as if the flash should not fire. It does however fire...\015\012I have checked my settings over and over and cannot find anything but standard settings, and yes, the flash is activated.\015\012\015\012Any idea what is wrong?\015
There is nothing wrong here - the camera computes the exposure as the flash is not firing. The flash will fire and it will adapt the power to the received light. You must go into M ot AV, fix your parameters and shoot. The flash will adapt to your whishes - only take care to not choose a shooting time to small (1/200 or 1/60 - you have settings for it).
\015\012This is not a bug, but a feature.
\015\012This is not a bug, but a feature.
Repair Help & Product Troubleshooting for Canon EOS 40D Digital Camera
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Flash exposure does not work in Av and Tv mode
There is nothing wrong here - the camera computes the exposure as the flash is not firing. The flash will fire and it will adapt the power to the received light. You must go into M ot AV, fix your parameters and shoot. The flash will adapt to your wh ... Canon EOS 40D Digital Camera
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Flash Does not work. Can only take pictures in flash-off mode
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Built in flash will not work i put it on P mode still nothing i paid good money for this camera for this to happen also have bought the 580 ex speedflash 10-22mm ultra lens ef 70-300 lens and would like for the flash to work w/ the money i have tied up on accceroies want the fisheye lens but I'm leary now this camera was bought in dec 09
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