(User’s Manual – D300S page 305; D300 page 319)
Often, you may go out and do an expensive shoot only to return and find that some dust spots have appeared in the worst possible place in your images. If you immediately create an Image Dust Off ref photo, you can use it to remove the dust spots from your images and afterward go clean the camera’s sensor for your next shooting session.
Nikon calls this function Image Dust Off ref photo in the D300S and Dust Off ref photo in the D300. We’ll use Image Dust off ref photo for all references in this section. Here’s how it works.
When you use the instructions below to create the Image Dust Off ref photo, you’ll be shooting a blank, unfocused picture of a pure white or gray background. ...