Nikon D3S - Manual (Page 68)

42
s
4
Replace the diopter adjustment
control.
Push the diopter adjustment control
back in (e).
A
Diopter-Adjustment Viewfinder Lenses
Corrective lenses (available separately; 0 373)
can be used to further adjust viewfinder
diopter. Before attaching a diopter-adjustment
viewfinder lens, remove the DK-17 viewfinder
eyepiece by closing the viewfinder shutter to
release the eyepiece lock (q) and then
unscrewing the eyepiece as shown at right (w).