How to Use Your Binocular
If you want to...
Focus the Binocular
Focus knob
10
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Diopter scale
Do this...
1. Set the Diopter Scale on underside of
Explorer at its center point between "+"
and "-."
2. Choose an object (such as a telephone
pole) that is at least 50 feet (15m.)
away.
3. Looking with only your left eye, rotate
the Focus Knob until the object you are
viewing is focused.
4. Looking with only your right eye, rotate
the Diopter Scale until the object you
are viewing is focused.
5. Now, looking with both eyes, rotate the
Focus Knob to focus on both far and
near objects.