Nikon 25446B D90 User's Manual - Page 119

Choosing a Color Temperature At a setting of K (Choose color temp.), color temperature can be selected by pressing the WB button and rotating the sub-command dial until the desired value is displayed in the control panel. Color temperature can also be selected in the shooting menu (pg. 165). WB button Sub-command dial Control panel t A 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 white, light sources with a lower color temperature, such as incandescent light bulbs, appear slightly yellow or red. Light sources with a higher color temperature appear tinged with blue. A Choose Color Temperature Note that the desired results will not be obtained with flash or fluorescent lighting. Choose N (Flash) or I (Fluorescent) for these sources. With other light sources, take a test shot to determine if the selected value is appropriate. A The White Balance Menu Color temperature can also be selected in the white balance menu. Note that the color temperature with the WB button and the sub-command dial replaces the value selected in the white balance menu. 99