How to Adjust For Individual Eye Strength
Binocular Instructions
As individual eyesight varies from one person to another, most Bushnell binoculars have a diopter setting feature which allows you to
FOCUSING
1.Adjust interpupillary distance. (Figure 1)
2.Set the “diopter setting” (Figure 2) to zero and view a distant object.
3.Keep both eyes open at all times.
4.Using a lens cover or your hand, cover the objective (front) lens of the same side of the binocular that has the “diopter setting.”This is usually the right side. (The left side on zoom models.)
5. Using the center focus wheel, focus on a distant object with
fine detail (e.g., brick wall, tree branches, etc.) until it appears as sharp as possible.
6. Uncover the objective lens on the diopter side, cover the other objective lens, then view the same object.
7. Using the “diopter setting” adjustment ring, focus the same object being viewed. Caution should be used as over turning
or forcing the diopter eyepiece can cause damage or cause the eyepiece to break away from the chassis.
8.Your binocular should be adjusted for your eyes. Focus at any far or near distances can now be attained simply by turning the center focus wheel. Make a note of the
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