Nikon D100 User Manual download pdf (Page 68)

Taking Photographs—White Balance

White Balance

Measuring Preset White Balance

To measure a value for preset white balance:

Place a neutral gray or white object under the lighting that will be used in

the final photograph.

Set the function dial to WB. If preset white balance is not selected, rotate

the main command dial until PRE appears in the control panel.

Rotate the sub-command dial. A flashing will appear in the exposure-

count displays, and the PRE icon in the control panel will flash.

The camera will be set to the exposure mode chosen in the WB Preset >

Exposure Mode menu; adjust focus, exposure, and flash settings. Note

that settings that would result in extreme under- or over-exposure could

prevent the camera from measuring a value for white balance. Under

studio lighting, use an 18% diffusion panel to make the reference object

appear gray. If you are using a white object as the reference for setting

white balance, exposure should be set to a value that would cause the

reference object to appear gray.

Use Manual Focus

When measuring preset white balance the focus-mode selector to M (manual focus;

74) and focus manually. At a setting of single-servo autofocus, lack of contrast may

prevent the camera focusing on a neutral gray reference object, and the shutter-release

will be disabled.

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Nikon D100 User Manual Page 68