Vortex Diamondback - Basic Operation; Adjust the Eyecups; Adjust the Interpupillary Distance

3 2
Objective Lens
Ocular Lens
Twist-up Eyecup
Strap
Attachment
Tripod Adapter Socket
Center Focus
Diopter
IPD
The eyecups on a Diamondback
®
binocular twist up
and down so any viewer can see the full eld and enjoy
comfortable viewing—with or without eyeglasses.
When not using eyeglasses or
sunglasses, keep the eyecups
fully extended. For the best
viewing when wearing glasses,
twist eyecups down.
Adjust the interpupillary distance
The interpupillary distance (IPD) is the distance between the
center of your left and right pupils. Match the IPD of your eyes
and your binocular by rotating the barrels in or out until you see
a single image free of shading.
Basic OperatiOn
Adjust the eyecups
Rotate the barrels in or out to
match the IPD of your eyes with
that of the binocular.
Distance between the centers
of the ocular lenses.