GPO RANGEGUIDE 2800 Modo De Empleo página 23

Use with glasses
If you wear glasses while using the binoculars, retract the
eyecups as far as they will go by turning them clockwise.
Adjusting the correct interpupillary
distance
The binoculars have a mechanism to adjust the
interpupillary distance. The interpupillary distance is the
distance between the two pupils. The correct interpupillary
distance is achieved by folding the binoculars around the
central pivot of the two halves. The interpupillary distance
is correct when you see a circular image with both eyes
open.
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