Bushnell NatureView User manual
Binocular inSTrucTion Manual
English
Enviro-Friendly. All NatureView
binoculars feature lead free glass.
High Quality Optics. BaK-4
prisms and fully multi-coated
optics* work together to deliver
ultra-bright, razor-sharp images.
Durable. Rugged, non-slip rubber
armor absorbs shock. All roof
prism models and the 6x30 porro
are waterproof and nitrogen
purged (fogproof) for clear,
reliable viewing in all weather
conditions.
Conversely, to see them all, you and your optics
have to be remarkably versatile. Our NatureView®
binoculars thrive in virtually any setting, offering
bright, crisp views of your quarry near and far. Fully
multi-coated optics* and excellent close-focus
capabilities help you catalog every detail. Extended
eye relief makes long observation comfortable.
They’re a natural selection for wherever your next
field trip takes you.
THE MOST RARE AND REMARKABLE
SPECIES ARE ALSO THOSE MOST
SPECIFICALLY ADAPTED TO THEIR
ENVIRONMENT.
*8x40 (model #220840) is multi-coated, with BK-7 prisms.
Thank you for purchasing your new Bushnell NatureView®Binoculars.
This manual will help you optimize your viewing experience by explaining how you can adjust the binocular
to your eyes, and how to care for this instrument.
Read these instructions carefully before using your binocular.
EYE ADJUSTMENTS
How to Adjust for Distance Between Your Eyes
The distance between the eyes, called “interpupillary distance,” varies from person to person.
To achieve perfect alignment of lens to eyes, follow these simple steps:
1. Hold your binocular in the normal viewing position.
2. Grasp each barrel firmly. Move the barrels closer together or further apart until you see a single
circular field. Always re-set your binocular to this position before using it.
How to Adjust for Individual Eye Strength
As individual eyesight varies from one person to another, your Bushnell NatureView binocular has a diopter
setting feature which allows you to fine-tune the binocular to your vision. Follow the focusing instructions
on the next page.
EYECUP ADJUSTMENT
Your Bushnell NatureView binocular is fitted with twist-up eyecups designed for your comfort and to exclude
extraneous light. For users without eyeglasses, twist the eyecups up, rotating the eyecups counter-clockwise
until they lock into the fully “up” position.
If you wear glasses, make sure the eyecups are in the down position — this will bring your eyes closer to the
binocular lens, allowing you to see the full field of view. To lower the eyecups from the full “up” position,
rotate them clockwise. The eyecups may also be left at positions “in between” fully up and fully down, which
may suit some individuals better.
FOCUSING
1. Adjust the interpupillary distance by adjusting the center hinge until you see a single circular image.
2. The diopter adjustment ring is located directly below the right eyecup. Make sure the diopter adjustment
is set to “zero” for now: raised index line on the diopter ring is lined up with center arrow (or white dot,
depending on your model) on the -/+ scale. (see photo). Keep both eyes open at all times.
3. Using the attached lens cap or your hand, cover the objective (front) lens on the right side of the
binocular as you look into the eyepieces.
4. Using the center focus knob, focus on a distant object with fine detail (e.g., brick wall, tree branches,
etc) until it appears as sharp as possible on the left side.
5. Uncover the objective lens on the right side, and cover the left
objective lens while continuing to view the same object.
6. Rotate the diopter adjustment ring to bring the object into focus
in the right side of the binocular. Avoid over-turning or forcing the
diopter mechanism. If you are unable to bring the object into focus
in the right side by adjusting the diopter ring, make sure the left
side is still focused and that the center focus knob was not moved
from its original setting. The diopter adjustment only affects the
right side.
7. Your binocular should now be adjusted for your eyes. Focusing
for any distance can now be done simply by turning the center
focus knob. Make a note of the diopter setting you made (index
line position relative to the -/+ scale) for future reference.
NECKSTRAP ATTACHMENT
Thread the ends of the neckstrap through the strap lugs on each side of the binocular, then back through
the plastic buckle. Adjust the position of the binoculars on your chest as they hang around your neck to
your preference by changing the length of the strap portion which passes through the lug and buckle (by
an equal amount on each side).
TRIPOD SOCKET
All full size (40 or 42mm) NatureView binoculars are tripod adaptable. To attach one
of these models to a tripod or monopod, unscrew (counter-clockwise) the “B” logo
cap which covers the threaded socket inside the center hinge, and set it aside in a
safe place (the “B” cap is not removable on the smaller 30 and 32mm models). Use
a compatible binocular tripod adapter, such as the Bushnell model #161002CM,
(an accessory bracket, shown here, which attaches between the binocular and
tripod) to attach your NatureView to any standard tripod in a horizontal position to
provide a stable image during prolonged viewing.
WATERPROOF / FOGPROOF
Your Bushnell NatureView binocular has been designed and built utilizing the latest waterproof and fogproof
technology*. The binoculars are O-ring sealed for complete moisture protection. Fogproof protection is
achieved from dry nitrogen purging that removes all internal moisture.
*all roof prism models and 6x30 porro prism model only
Binocular Tripod
Adapter (optional)
(Bushnell #161002CM)
NEVER LOOK DIRECTLY AT THE SUN WITH YOUR BINOCULAR
AS IT MAY CAUSE SERIOUS DAMAGE TO YOUR EYES
INSTRUCTIONS FOR CARE
Your Bushnell NatureView binocular will provide years of trouble-free service if it receives the normal care
you would give any fine optical instrument.
1. Avoid sharp impacts. Set the binocular down gently on hard surfaces.
2. Tug on the strap after attaching it to make sure it is securely fastened to the binocular before placing
it around your neck.
3. Store your binocular in a cool, dry place whenever possible.
CLEANING
1. Blow away any dust or debris on the lens (or use a soft lens brush).
2. To remove dirt or finger prints, use the supplied cleaning cloth, moving in a circular motion. Use of a
coarse cloth or unnecessary rubbing may scratch the lens surface and eventually cause permanent
damage. A washable “microfiber” cleaning cloth is ideal for the routine cleaning of your optics.
Simply breathe lightly on the lens to provide a slight amount of moisture, then gently rub the lens
with the microfiber cloth.
3. For a more thorough cleaning, photographic lens tissue and photographic-type lens cleaning fluid
or isopropyl alcohol may be used. Always apply the fluid to the cleaning cloth – never directly on
the lens.
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