Vortex Optics RAPTOR 8.5X32 PORRO PRISM BINOCULAR - Manual (Page 2)

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IPD
The eyecups on a Raptor
TM
binocular twist up and down so any
viewer can see the full field and enjoy comfortable viewing—with
or without eyeglasses.
When not using eyeglasses or sunglasses,
keep the eyecups fully extended. For
the best viewing when viewing through
eyeglasses, twist eyecups down.
Adjust the interpupillary distance
The interpupillary distance (IPD) is the distance between the centers
of the left and right eye pupils. Match the IPD of your eyes to that of
the binocular so that you see a single image that is free of shading.
B
ASIC
O
PERATION
Adjust the eyecups
Rotate the binocular barrels
inward or outward to line your
eyes up with ocular lenses. Distance between the centers
of the ocular lenses.
Ocular Lens
Diopter
Objective
Lens
Center Focus
Strap
Attachment
Twist-up Eyecup