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 fi 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 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.
BASIC OPERATION
Adjust the eyecups
Rotate the binocular barrels
Distance between the centers
Properly focus the binocular
For the best views, follow this two-step process to properly adjust
the center focus and diopter. Choose an object that is about 20
yards away from you and stay in the same spot until you have
adjusted the binocular for your eyes.
1. Adjust the center focus—start by closing your right eye
or covering the right objective lens
with your hand. Focus your left eye
on the object and adjust the center
focus wheel until the image is in focus.
Leave the center focus in this position
as you adjust the diopter.
2. Adjust the diopter—start by closing your left eye or covering
the left objective lens with your hand.
Look through your right eye and adjust
the diopter ring (found on the right
eyepiece) until the object is in focus.
Make note of this diopter setting in
case you need to set it again. From this
point on, you will only need to use the center focus wheel.
The Diamondback comes with a rainguard for the ocular lenses
and tethered objective lens covers. Use these covers to protect the
lenses whenever you are not viewing.
Lens Covers
The Diamondback’s protective case provides safe storage between
viewing sessions.
Carry Case
ACCESSORIES
Attach the padded neckstrap to the Diamondback in three simple
steps. Begin with the right barrel of the binocular and repeat the
process for the left barrel.
Neckstrap
1. Push a few
inches of the strap
through the strap
attachment on the
3. Adjust the
overall length,
then pull the tight
until strap secured
2. Hold the buckle
and thread the end of
the strap through the
buckle.
LENS CARE
Maintain the optical brilliance of the Diamondback binocular by
keeping lens surfaces free of dirt, oils, and dust.
Protect lenses while out in the field
Make use of the provided eyepiece and objective lens covers
to protect the lenses when not viewing. Then, store the
Diamondback in its carry case between viewing sessions.
Keep lenses clean
In order to enjoy the best views through your Diamondback
binocular, take time to regularly clean the exterior lenses:
1. Remove any dust or grit from lenses before wiping. Use a can
of pressurized air, soft camel hair brush, or an acrylic optical brush.
2. Clear lenses of smudges, fingerprints, or eyelash oil. Fog the
lenses with your own breath, then use a non-abrasive lens cloth to
clean the lenses.
Note: Use lens cleaning fluid
and optical paper to clean
lenses. Never use facial tissue,
heavy cotton, or flannel clothing
on lenses—these materials can
scratch the surface of a lens.
THE VIP WARRANTY
We build optics based on our commitment to your absolute
satisfaction. That’s why Vortex products are unconditionally
guaranteed and we make this Very Important Promise to you—a
Very Important Person.
Rest assured that in the event your
Diamondback binocular becomes
damaged or defective, Vortex Optics
will repair or replace the binocular at
no charge to you. Call Vortex Optics at
800-426-0048 for prompt, professional,
and friendly service.
Vortex Optics
2120 West Greenview Drive
Middleton, WI 53562
service@vortexoptics.com
Visit www.vortexoptics.com for more information. Canadian
customers may visit www.vortexcanada.net for customer service
information.
Note: The VIP warranty does not cover theft, loss, or deliberate damage
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