Nikon D90 - Manual (Page 197)

177
L
b: Metering/Exposure
b1: EV Steps for Exposure Cntrl.
This option (available in all shooting modes) determines whether adjustments to
shutter speed, aperture, exposure compensation, flash compensation, and bracketing
are made in increments equivalent to
1 /
3
EV or 1 /
2
EV.
b2: Easy Exposure Compensation
This option (available in P, S, A, and M modes) controls whether the E button is needed
to set exposure compensation (pg. 90). If On is selected, the 0 at the center of the
exposure display will blink even when exposure compensation is set to ±0.
A Change Main/Sub
The dial used to set exposure compensation when On is selected for Custom Setting b2 (Easy
exposure compensation) depends on the option selected for Custom Setting f5 (Customize
command dials) > Change main/sub (pg. 201).
Option Description
H
1/3 step
(default)
Changes to shutter speed, aperture, exposure compensation, and flash
compensation are in increments equivalent to
1 /
3
EV. The bracketing increment
can be selected from 1 /
3
, 2 /
3
, and 1 EV.
I 1/2 step
Changes to shutter speed, aperture, exposure compensation, and flash
compensation are in increments equivalent to
1 /
2
EV. The bracketing increment
can be selected from 1 /
2
and 1 EV.
Option Description
On
Exposure compensation can be set by rotating one of the command dials (see note
below). Selected value does not change when exposure meters turn off, camera is
turned off, or Off is selected for Custom Setting b2.
Off
(default)
Exposure compensation is set by pressing the E button and rotating the main
command dial.
Customize command dials > Change main/sub
Off (default) On
Ex
po
su
re
mod
e
P Sub-command dial Sub-command dial
S Sub-command dial Main command dial
A Main command dial Sub-command dial
M N/A