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Diopter Adjustment
The diopter or focus adjustment is located just inside of the
eyecup. The focus adjustment is used to bring the OLED display
into sharp focus along with the target image. The diopter
adjustment can turn clockwise or counter-clockwise depending
upon the user’s prescription.
Eyecup Adjustment
The eyecup adjustment allows the user to adjust the eye relief for
use with or without glasses. The eyecup rotates approximately
90 degrees counterclockwise allowing the user to adjust the eye
relief by approximately 6 mm.