220Appendix Advisories & Additional Noticespriority auto (A)d) Aperture: choose the minimumaperture (largest f/-number)e) Focus: choose manual focus and setfocus to infinity3) Take a photographWith the lens about 4 inches (10 cm)from a featureless white object, such asa wall, frame the object so that it fillsthe viewfinder and take a photograph.The resulting Dust Off reference photowill be recorded as an NEF (RAW) image.4) Transfer the photograph to thecomputerCreating Dust Off RefPhotos (D1-Series and D100Cameras)In addition to D2-series, D200, D70S,D70, and D50 cameras, Dust Off refphotos can be taken with the D1X /D1H (firmware version 1.10 or later),and D100. Dust Off ref photoscannot be created with the D1 orwith earlier versions of the camerafirmware for the D1X and D1H. DustOff ref photos taken with the D100,D1X, or D1H have the extension“.nef”; do not change this extension.Camera ShakeA slight amount of blurring caused bycamera shake will not affect Dust Offref photos.Image Dust OffImage Dust Off only affects relativelyfeatureless areas of the image.Reusing Dust Off settingsBefore pasting or loading Image DustOff settings for another image, be surethat the image was created with thesame camera used to record the ImageDust Off reference file. If the refer-ence file was created with a differentcamera, a warning will be displayed.Vignette ControlVignette control cannot be used tocorrect vignetting caused by PC Nikkorlenses or Speedlight photography.
