4 Position the lens ten centimeters (four inches) from a bright, featureless white object. After framing the object so that nothing else is visible in the viewfinder, press the shutter-release button halfway. In autofocus mode, focus will automatically be set to infinity; in manual focus mode, set focus to infinity manually before pressing the shutter-release button.

5 Press the shutter-release button the rest of the way down to acquire Im- age Dust Off reference data (note that noise reduction turns on automati- cally when the subject is poorly lit, increasing the amount of time needed to record the data). The monitor turns off when the shutter-release but- ton is pressed.

Menu Guide—The Setup

If the reference object is too bright or too dark, the camera may be unable to acquire Image Dust Off reference data and the mes- sage shown at right will be displayed. Choose another reference object and repeat the pro- cess from Step 3.

Dust ref photo

Take photo of

EXPOSURE

white object

SETTINGS NOT

10cm from

APPROPRIATE

lens.

Menu

Firmware Ver.

To display the current camera firmware version, highlight Firmware Ver. in the setup menu (

155)and press the multi selector to the right. Press the multi selector to the left to return to the setup menu.

Firmware Ver.

 

Current

 

A 1. 00

 

B 1. 00

 

Done

OK

Image Dust Off Reference Data

When Image Dust Off reference data are viewed on the camera, the grid pattern shown at right appears in the monitor; histogram and highlights are not displayed. Files created with Dust Off ref photo can not be viewed using computer imaging software.

NDF

Image Dust Off reference image

167

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Image 177
Nikon D70 manual Firmware Ver, 167, Image Dust Off Reference Data