Brand new 7d...8000 shutter flashing in AV mode....black picture...no matter what fstop I dial in...Switch to TV mode and set the shutter but the fstop maxes out and still black photo....Auto mode, Black picture.....Mirror was jamed but freed itself...
The camera will flash the shutter speed at 8000 because it thinks that what it is about to take a picture of will be too overexposed. As a result, it has selected the fastest shutter speed available. The same thing happens with the aperture in the Tv mode.
I would reset the camera to its default settings, including the custom functions. Then, try taking another picture of something that is in normal ambient light with no strong light sources or backlighting. If the camera still sets the shutter speed at 8000 or the aperture at its smallest setting, then the camera will need to be serviced.
To start your repair process, you'll need to complete a Repair Request on our website.
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