Setting The White Balance - Canon EOS 20D Instruction Manual

WB Setting the White Balance*
Normally, the < E'_'_r_l > setting will set the optimum white balance
automatically. If natural-looking colors cannot be obtained with < _ >,
you can set the white balance manually to suit the respective light
source. In the Basic Zone modes, < E'_'_r_ > will be set automatically.
_'_I Press the
<AF'WB>
button. (66)
Display
Ill,
* Set the c
'_jj,,, Select the white balance setting.
_ While looking at the top LCD panel,
turn the <0> dial.
Mode Color temperature (Approx. K)
Auto 3000 - 7000
Daylight 5200
Shade 7000
Cloudy, twilight, sunset 6000
Tungsten 3200
White fluorescent light 4000
Flash 6000
Custom* 2000 - 10000
Color temperature 2800 - 10000
_timum white balance manually to suit the lighting (p.51)
About White Balance
The three RGB (red, green, and blue) primary colors exist in the light source in
varying proportions depending on the color temperature. When the color
temperature is high, there is more blue. And when the color temperature is low,
there is more red. To the human eye, a white object looks white regardless of
the type of lighting. With a digital camera, the color temperature can be
adjusted with software so that the colors in the image look more natural. The
subject's white color is used as the criteria for adjusting the other colors. The
camera's < E_'rR_> setting uses the CMOS sensor for auto white balance.
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