AE Lock/Exposure Shift
You can lock the exposure or change it in 1/3 steps within a range of ±2 before
shooting.
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Focus.
¨
Press the shutter button halfway to focus.
Lock the exposure.
¨
After releasing the shutter button, press
the r button to lock the exposure. The
exposure shift bar appears.
¨
Press the r button again to release the
lock.
Change the exposure.
¨
While watching the screen, turn the  dial
to adjust the brightness.
Shoot.