Shutter-Priority AEIn shutter-priority AE (mode S), you select the shutter speed and let the camera choose the aperture.
Shutter speed
Rotate the command dial to choose the shutter speed.
If the correct exposure can not be achieved at the selected shutter speed, aperture will be displayed in red when the shutter button is pressed halfway.
If the subject is outside the metering range of the camera, the aperture display will show “– – –”.
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