Nikon S2J00200401 user manual Auto White Balance, White Balance Measurements, Color Temperature

Auto white balance (A) can be used with most common light sources. To match white balance to a specific light source, select the appropriate setting from the list above. If desired, these white-balance settings (with the exception of preset white balance) can be fine tuned to match a particular light source ( pg. 66). Alterna- tively, preset white balance ( pg. 67) can be used to set white balance to a mea- sured value.

Auto White Balance

Auto white balance is adjusted when the shutter-release button is pressed halfway. If you press the shutter-release button all the way down in a single motion, white balance for the first photograph may not accurately match the light source.

White Balance Measurements

White-balance measurements are performed using a through-the-lens metering system. Even if the subject and camera are under different lighting, the camera will be able to adjust white balance to suit the subject when auto or preset white balance is used.

Color Temperature

The perceived color of a light source varies with the viewer and other conditions. Color temperature is an objective measure of the color of a light source, defined with reference to the temperature to which an object would have to be heated to radiate light in the same wavelengths. While light sources with a color temperature in the neighborhood of 5,000– 5,500°K appear to be white, light sources with a lower color temperature, such as incandescent light bulbs, appear to be slightly yellow or red. Light sources with a higher color temperature seem to be tinged with blue.

ADVANCED PHOTOGRAPHY—WHITE BALANCE

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