Nikon Df - Manual (Page 317)

297
U
Image overlay combines two existing NEF (RAW) photographs to
create a single picture that is saved separately from the originals;
the results, which make use of RAW data from the camera image
sensor, are noticeably better than overlays created in an imaging
application. The new picture is saved at current image quality and
size settings; before creating an overlay, set image quality and size
(0 55, 58; all options are available). To create a NEF (RAW) copy,
choose an image quality of NEF (RAW).
1
Select Image overlay.
Highlight Image overlay in the
retouch menu and press 2.
The dialog shown at right will
be displayed, with Image 1
highlighted; press J to display
a list of the NEF pictures created
with this camera.
Image Overlay
G
button ➜ N retouch menu
+