B5: center-weighted area, B6: fine tune optimal exposure – Nikon D300s User Manual
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U
Note that the diameter is fixed at 8 mm when a non-CPU lens is
used.
Use this option to fine-tune the exposure
value selected by the camera. Exposure can
be fine tuned separately for each metering
method by from +1 to –1 EV in steps of
1
/
6
EV.
b5: Center-Weighted Area
G
button ➜ A Custom Settings menu
When calculating exposure, center-weighted
metering assigns the greatest weight to a circle in
the center of the frame. The diameter (
φ) of this
circle can be set to 6, 8, 10, or 13 mm or to the
average of the entire frame.
Option
M φ 6 mm
L φ 8 mm
N φ 10 mm
O φ 13 mm
P Average
b6: Fine Tune Optimal Exposure
G
button ➜ A Custom Settings menu
D
Fine-Tuning Exposure
Exposure can be fine-tuned separately for each Custom Settings bank
and is not affected by two-button resets. Note that as the exposure
compensation (
E) icon is not displayed, the only way to determine how
much exposure has been altered is to view the amount in the fine-
tuning menu. Exposure compensation (
0 118) is preferred in most
situations.