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55
FOCUSING
1. Adjust the interpupillary distance (Fig. 1) until you see a single circular
image.
2. e diopter adjustment ring is located directly below the right eyecup.
Make sure the diopter adjustment is set to “zero” (small vertical mark
on diopter ring is lined up with vertical index mark on right side of
binocular). (Fig. 2) Keep both eyes open at all times.
3. Using the attached lens cap or your hand, cover the objective (front) lens
on the right side of the binocular as you look into the eyepieces.
4. Using the center focus knob (Fig. 3), focus on a distant object with ne
detail (e.g., brick wall, tree branches, etc) until it appears as sharp as
possible on the left side.
5. Uncover the objective lens on the right side, and cover the left objective
lens while continuing to view the same object.
6. Rotate the diopter adjustment ring to bring the object into focus in the
right side of the binocular. Avoid over-turning or forcing the diopter
mechanism. If you are unable to bring the object into focus in the right
side by adjusting the diopter ring, make sure the left side is still focused
and that the center focus knob was not moved from its original setting.
e diopter adjustment only aects the right side.
7. Your binocular should now be adjusted for your eyes. Focusing for any
distance can now be done simply by turning the center focus knob.
Make a note of the diopter setting you made (which small mark on the
Fig. 3-Center
Focus Knob
Fig. 2-Diopter
Adjustment Ring
Index Mark