Wednesday, 19 December 2012

WB Settings

To compensate for the colour cast from the light source, there are many different options with very different effects...

 Auto WB
Camera uses an algorithm to calculate the light temperature and estimates the best WB for it. However only works with a limited range of temperatures.


Custom
This setting allows to manually adjust the WB by choosing what combination of each colour (Green, Megenta, Blue and Yellow). Some cameras also offer the option of setting the WB by choosing a colour temperature


Tungsten (approx. 3000K).
This light arises from a bulb that produces a light even cooler than fluorescent bulbs.This setting works by cooling the colour temperature of the photograph.

Fluorescent (approx. 4000K)
This light is cooler than tungsten however still very warm. This setting works by cooling the colour temperature of the photograph.

Daylight (approx. 5000K)
This setting is seen as the neutral setting, where the light has a roughly even proportion of all light waves however it adds a little warm tones.

Flash (approx. 5000K)
This setting is very similar to daylight (in the sense that it is seen as almost neutral) however it also takes into account the flash

Cloudy (approx. 7000K)
This setting is for when it is overcast so light is limited. To compensate the cool colour temperature, warm tones are added.

Shade (approx. 8000K)
This setting is for when there is very limited light and the colour temperature is very cool, so a lot of warm tones are added.

Here are examples of the effects of each setting...

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