Canon EOS 250D Advanced User's Manual page 131

Custom White Balance
With custom white balance, you can set the white balance for the specific
light source of the shooting location. Make sure to perform this procedure
under the light source at the actual location of the shoot.
1
Shoot a white object.
Look through the viewfinder and aim
z
the entire dotted line box (shown in the
illustration) over a plain, white object.
Focus manually and shoot with the
z
standard exposure set for the white
object.
You can use any of the white balance
z
settings.
2
Select [Custom White Balance].
Under the [z] tab, select [Custom
z
White Balance], then press <0>.
The custom white balance selection
B
screen will appear.
3
Import the white balance data.
Select the image captured in step 1,
z
then press <0>.
On the dialog screen that appears,
B
select [OK], and the data will be
imported.
131