Nikon D3s Technical Manual page 53

Notes
Stills are the same dimensions as the original movie
frame and include the following Exif data: date of cre-
ation, date modifi ed, fi le size, image size, aspect ratio,
date of recording, camera name, lens name, color space,
and a tag that identifi es the image as a movie still when
it is displayed in Capture NX 2 version 2.2.3 or later or
View NX version 1.5.1 or later.
Movie stills can not be retouched or used as source im-
ages for white balance.
Tip
When recording movies with the intent of creating stills,
f h
shoot at high shutter speeds in exposure mode or .
This will produce stills with relatively little blur.
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