373UAcquire reference data for the Image Dust Off option inCapture NX-D (0 275; for more information, refer to Capture NX-Don-line help). Image Dust Off can not be used with small ormedium-sized NEF (RAW) images.Image Dust Off ref photo is available only when a CPU lens ismounted on the camera. A non-DX lens with a focal length of atleast 50 mm is recommended. When using a zoom lens, zoom allthe way in.1 Choose a start option.Highlight one of the following optionsand press J. To exit without acquiringimage dust off data, press G.• Start: The message shown at right willbe displayed and “rEF” will appear inthe viewfinder and control paneldisplays.• Clean sensor and then start: Select thisoption to clean the image sensorbefore starting. The message shown atright will be displayed and “rEF” willappear in the viewfinder and controlpanel displays when cleaning iscomplete.Image Dust Off Ref Photo G button ➜ B setup menu
