Function within the camera used to achieve white light in the image, is usually done automatically but can be manually adjusted to tell the camera what lighting situation you are in; lighting situations are categorized by color temperature in degrees Kelvin.

Common Color temperatures:

1,200 K: candlelight

2,800 K: tungsten/incandescent bulb, sunrise/sunset

3,000 K: studio lamps, photoflood bulbs

5,000 K: electronic flash, daylight

6,000 K: bright midday sun

7,000 K: slightly overcast

8,000 K: hazy sky

10,000 K: heavily overcast