Canon EOS 40D - Manual (Page 71)

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3 White Balance CorrectionN
With just one shot, three images having a different color tone can be recorded
simultaneously. Based on the color temperature of the current white balance
setting, the image will be bracketed with a blue/amber bias or magenta/green
bias. This is called white balance bracketing (WB-BKT). White balance
bracketing is possible up to ±3 levels in single-level increments.
Set the white balance bracketing
amount.
In step 2 for white balance correction,
when you turn the <5> dial, the “ ”
mark on the screen will change to “ ”
(3 points). Turning the dial to the right
sets the B/A bracketing, and turning it to
the left sets the M/G bracketing.
X On the right side of the screen, “BKT”
indicates the bracketing direction and
the bracketing amount is also displayed.
Pressing the button will cancel
all the [WB SHIFT/BKT] settings.
Press <0> to exit and return to the menu.
Bracketing Sequence
The images will be bracketed in the following sequence: 1. Standard
white balance, 2. Blue (B) bias, and 3. Amber (A) bias, or 1. Standard
white balance, 2. Magenta (M) bias, 3. Green (G) bias.
White Balance Auto Bracketing
B/A bias ±3 levels
During WB bracketing, the maximum burst for continuous shooting will be
lower and the number of possible shots will also decrease to one-third the
normal number. Also, the white balance icon will blink on the LCD panel.
You can also set white balance correction and AEB together with white
balance bracketing. If you set AEB in combination with white balance
bracketing, a total of nine images will be recorded for a single shot.
Since three images are recorded for one shot, the CF card will take
longer to record the shot.
“BKT” stands for Bracketing.