Custom Functions are organized into four groups based on the function type: C.Fn I: Exposure, C.Fn II: Image, C.Fn III: Autofocus/Drive, C.Fn IV: Operation/Others.
C.Fn I: Exposure
0:
1:
Sets
With setting 1, the exposure level will be displayed in the viewfinder and on the LCD monitor as shown below.
0:Off
1:On
When you set the ISO speed, you will be able to set “H” (equivalent to ISO 12800). Note that if
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