Panasonic VDR-D150GN Explanation of terms, 111, Automatic white balance, White balance

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Explanation of terms

Explanation of terms

Automatic white balance

White balance adjustment recognizes the colour of light and adjusts so the white colour will become a purer white. The unit determines the hue of light that comes through the lens and white balance sensor, thereby judging the recording condition, and selects the closest hue setting.

This is called automatic white balance adjustment.

However, since the unit only stores white colour information under several light sources, automatic white balance adjustment does not function normally under other light sources.

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Outside of the effective range of automatic white balance adjustment, the image will become reddish or bluish. Even within the effective range of automatic white balance adjustment, the automatic white balance adjustment may not function properly if there is more than one light source. For light outside the functional automatic white balance adjustment range, use the manual white balance adjustment mode.

White balance

The images recorded by the unit may become bluish or reddish under the influence of certain light sources. To avoid such phenomena, adjust the white balance.

White balance adjustment determines the white colour under different light sources. By recognizing which is the white colour under sunlight and which is the white colour under a fluorescent light, the unit can adjust the balance among the other colours.

Since the white colour is the reference for all the colours (that make up light), the unit can record pictures in a natural hue if it can recognize the reference colour white.

The illustration above shows the range over which the auto white balance functions.

1)The effective range of automatic white balance adjustment on this unit

2)Blue sky

3)Cloudy sky (rain)

4)TV screen

5)Sunlight

6)White fluorescent lamp

7)Halogen light bulb

8)Incandescent light bulb

9)Sunrise or sunset

10)Candlelight

Others

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