Nikon EDG 8x42 DCF Mode D'emploi page 16

Adjusting an eyecup's position
Fully retracted position
16
Fully extended position
(As viewed from the eyepiece side)
Turn eyecup counterclockwise to
extend.
Turn eyecup clockwise to retract.
● Non-eyeglass wearers:
Extend the eyecup for use (third
click position).
Note: Do not rotate eyecups
beyond the third click position as
they may detach.
(42mm only)
Note: There are two click positions
before reaching the fully extended
position.
Position where vision is most
accurate and comfortable for your
use.
● Eyeglass wearers:
Use with the eyecups in their fully
retracted position.
If a wide, accurate view can be
obtained, you can also use the
middle click position.