Celestron Gamekeeper 12x50 Roof Prism Binocular Gamekeepers Binocular Manual - Page 4
Adjusting The Interpupillary Distance Ipd
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ADJUSTING THE INTERPUPILLARY DISTANCE (IPD) The interpupillary distance, or the distance between the pupils, varies from person to person. The binocular must be correctly aligned (adjusted) to the distance between your pupils to achieve a single, clear image. To adjust this distance, lift the binocular up to your eyes (using both hands) and look through them at an object in the distance. Move the two barrels (halves) of the binocular closer together or further apart until you see a single, clear image (Fig. 2). Check that the interpupillary distance is set Fig. 2 correctly every time you use your binocular.
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The interpupillary distance, or the distance
between the pupils, varies from person to
person. The binocular must be correctly aligned
(adjusted) to the distance between your pupils
to achieve a single, clear image.
To adjust this
distance, lift the binocular up to your eyes (using
both hands) and look through them at an object
in the distance. Move the two barrels (halves)
of the binocular closer together or further
apart until you see a single, clear image (Fig. 2).
Check that the interpupillary distance is set
correctly every time you use your binocular.
ADJUSTING THE INTERPUPILLARY DISTANCE (IPD)
Fig. 2