B2: Center-Weighted Area; B3: Fine-Tune Optimal Exposure - Nikon Z fc N2016 Reference Manual

Option
[Off]
･ Enabled in modes P, S, A, and b. In mode b, set Custom Setting b4
[b mode exposure comp.] to [Enable]. Easy exposure
compensation is not available in other modes.
･ The command dial used varies with the shooting mode.

b2: Center-weighted area

When [Center-weighted metering] is selected, the camera assigns the
greatest weight to an area in the center of the shooting display when
setting exposure. Custom Setting b2 [Center-weighted area] is used to
choose the size of the area given the greatest weight when [Center-
weighted metering] is selected.

b3: Fine-tune optimal exposure

Use this option to fine-tune the exposure value selected by the camera;
exposure can be fine-tuned separately for each metering method.
Exposure can be adjusted up for brighter exposures or down for darker
exposures in the range +1 to −1 EV in steps of 1/6 EV. The default is 0.
A Custom Settings: Fine-tuning camera settings
Set the exposure compensation with the exposure
compensation dial.
Description
G button U A Custom Settings menu
G button U A Custom Settings menu
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