Nikon D7100 User Manual page 126

Measuring White Balance During Live View (Spot White Balance)
In live view, white balance can be measured in a selected area of the frame,
eliminating the need to prepare a reference object or change lenses during
telephoto photography.
1
Press the a button.
The mirror will be raised and the view through the lens will
be displayed in the camera monitor.
2
Set white balance to L (Preset manual).
Press the L (U) button and rotate the main command dial until L is
displayed in the monitor.
L (U) button
r
3
Select a preset.
Press the L (U) button and rotate the sub-command dial until the desired
white balance preset (d-1 to d-6) is displayed in the monitor.
L (U) button
4
Select direct measurement mode.
Release the L (U) button briefly and then press the
button until the L icon in the monitor starts to flash.
A spot white balance target (r) will be displayed at the
selected focus point.
98
Main command dial
Sub-command dial
a button
Monitor
Monitor
Monitor