Pentax K20D - Manual (Page 167)

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Adjust the Color Temperature with the front and rear e-dial.
Color Temperature steps differ depending on the e-dial.
* The default setting for Color Temperature step units is Kelvin. You can change the
step units to Mired in [19. Color temp. steps] in the [A Custom Setting] menu.
However, figures are converted to Kelvin and displayed.
You can also use the steps for “Fine-Tuning the White Balance” (p.162)
to fine tune.
8
Press the 4 button.
The settings are saved and the camera returns to the White Balance screen.
Set the main switch to | to display Digital Preview with the set Color
Temperature.
9
Press the 4 button.
The camera is ready to take a picture with the set White Balance.
Kelvin Mired*
Front e-dial 1 Step (100K) 1 Step (20M)
Rear e-dial 10 Steps (1000K) 5 Steps (100M)
Color Temperature
The color of light shifts towards blue as the color temperature rises, and
towards red as the color temperature falls. Color temperature describes
this change in light color in terms of absolute temperature (K: Kelvin).
This camera is capable of setting the white balance to enable taking
pictures with natural coloring under a variety of lighting conditions.
2000 3000 4000 5000 6000 8000 10000 12000 [ K ]
Candle flame Oil lamp T
ungsten light
Halogen light bulb White (Fluorescent light) Daylight Cloudy Shade Clear sky Daylight (Fluorescent light)
Neutral white (Fluorescent light) Flash
Red tint Blue tint