Nikon EDG - Manual (Page 15)

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Focusing ring
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Configuration
① Focusing ring
Can be pulled out by clickstops.
② Diopter adjustment ring
Usually, this ring is covered by the
focus ring.
It is made operable by pulling out
the focusing ring.
Position and functions
Position Ⅰ :
Pushed into the deepest (Focusing)
position.
Focusing ring can be used.
Position Ⅱ :
Fully pulled-out (Diopter
adjustment) position.
Focusing ring rotates freely.
Diopter adjustment ring becomes
operable.
Diopter Adjustment
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Focusing position
Diopter adjustment position
Diopter adjustment adjusts the balance of right
and left eyesight. If more than one viewer uses the
same binoculars, adjustment is necessary when a
different person uses it.
If binoculars are used by one person only,
readjustment of the diopter is unnecessary after it
has been initially adjusted.
1 Push the focusing ring ① in and look into the
left eyecup with the left eye.
Then focus on a distant object by rotating the
focusing ring ① .
2 Pull out the focusing ring ① so that the diopter
adjustment ring ② becomes operable.
3 Look into the right eyecup with the right eye,
then focus with the right eye on the same
target while rotating the diopter adjustment
ring ②
.
4 Check focusing on both eyes <Confirmation of
diopter adjustment>.
5 When in focus, push the focusing ring ①
in to prevent the operation of the diopter
adjustment ring ② .
6 When the subject changes, refocus the new
subject by rotating the focusing ring ① .
・Rotate clockwise to focus on a more distant
subject.
・Rotate counterclockwise to focus on a closer
subject.
7 When focusing is not necessary, set the focusing
ring ① in the diopter adjustment position, so
that it doesn't change the focusing position
even if you accidentally touch it. (Be aware that
diopter adjustment becomes operable.)
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