The Diopter Adjustment Control - Nikon D850 User Manual

The Diopter Adjustment Control

Lift the diopter adjustment control and
rotate it until the viewfinder display,
focus points, and AF area brackets are in
sharp focus. When operating the control
with your eye to the viewfinder, be
careful not to put your fingers or
fingernails in your eye. Push the diopter
adjustment control back in once you have adjusted focus to your
satisfaction.
Viewfinder not in focus
A
Diopter-Adjustment Viewfinder Lenses
Corrective lenses (available separately;
0 296) can be used to further adjust
viewfinder diopter. Before attaching a
diopter-adjustment viewfinder lens, remove
the DK-17F viewfinder eyepiece by closing
the viewfinder shutter to release the
eyepiece lock (q) and then grasping the
eyepiece lightly between your finger and thumb and unscrewing it as
shown (w).
Focus point
AF area brackets
Viewfinder in focus
9