Nikon D850 Menu Manual page 210

2
Select the first image.
Use the multi selector to highlight the
first photograph in the overlay. To
view the highlighted photograph full
frame, press and hold the X button. To
view images in other locations, press
W (M) and select the desired card and
folder. Press J to select the highlighted photograph and
return to the preview display.
3
Select the second image.
The selected image will appear as Image 1. Highlight Image
2 and press J, then select the second photo as described in
Step 2.
4
Adjust gain.
Highlight Image 1 or Image 2 and
optimize exposure for the overlay by
pressing 1 or 3 to select the gain
from values between 0.1 and 2.0.
Repeat for the second image. The
default value is 1.0; select 0.5 to halve
gain or 2.0 to double it. The effects of gain are visible in the
Preview column.
210 Menu Guide