White balance settings – Canon EOS D30 User Manual

Page 69

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White Balance Settings

In light from any source, the proportion of the primary colors (red, green, blue) in the light varies

according to the color temperature. Higher color temperatures contain a greater proportion of

blue, and lower color temperatures contain a greater proportion of red. Moving from low to high,

the progression is red ^ orange ^ yellow white -> blue-white. For example, a given subject

will appear reddish if taken under tungsten (incandescent) lighting, or greenish if taken under

fluorescent lighting.

The human eye automatically adapts to changes in light so that white subjects appear white

even under different lighting conditions. Cameras that use film have to adjust for these

differences by using color-correcting filters or switching to different film types. Digital cameras

rely on software to correct the color temperature by determining white as the basis for the colors

in the subject, then correcting the other colors to achieve a natural color range.

( ESSE ) mode automatically selects the white balance according to the light source where you

are shooting. If this does not produce pictures with satisfactory coloring, you can select a mode

other than (GMD>.

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Conditions

Color temperature K (Kelvin)

EMD

Camera selects the setting automatically.

approx. 3000 -7000

For bright outdoor daylight.

approx. 5500

A

For cloudy conditions at twilight or evening.

approx. 6000

For indoor incandescent lighting.

approx. 3200

\M//

CHS

For indoor white fluorescent lighting.

approx. 4000

V

For flash pictures.

approx. 6000

To photograph a white subject to use as a

base color, then load that white balance

data to set the ideal white balance for that

shooting location (->-70).

approx. 2000-10000

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