Bushnell Binoculars 620726 User Manual

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Bi noc ulars
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Terminology
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Powerview
®
Coated Optics
Lens surface coatings reduce light loss and glare due to reflection for a brighter,
higher-contrast image with less eyestrain.
Types of lens coatings
Coated: A single layer on at least one lens surface.
Fully Coated: A single layer on all air-to-glass surfaces.
Multi-Coated: Multiple layers on at least one lens surface.
Fully Multi-Coated: All air-to-glass surfaces feature multiple layers of anti-
reflective coating. Fully multi-coated optical systems deliver the brightest,
highest-contrast images with the least amount of eyestrain because only a
very small percentage of light is lost before it reaches the viewer’s eye.
Diopter Adjustment
A fine-focus adjustment ring usually provided around
one eyepiece to accommodate for vision differences
between the right and left eyes.
ED Prime Glass
ED Prime Extra-Low Dispersion glass delivers amazing color
resolution and contrast, and virtually eliminates chromatic
aberration and color-fringing to bring out the most distinct
details possible in low-light conditions.
Exit Pupil
Refers to the size of the circle of light visible at the eyepiece of a binocular. The
larger the exit pupil, the brighter the image. To determine the size, divide the
objective lens diameter by the power (an 8x 32 model has an exit pupil of 4mm).
Eye Relief
The distance a binocular can be held away from the eye and still present the
full field of view. Extended or long eye relief reduces eyestrain and is ideal for
eyeglass wearers.
Field Of View (F.O.V.)
The side-to-side measurement
of the circular viewing field or
subject area. It is defined by the
width in feet or meters of the area visible at 1,000 yards or meters.
A wide-angle binocular features a wide field of view and is better for following
action. Generally, the higher the magnification, the narrower the field of view.
Magnification (Power)
Binoculars are often referred to by
two numbers separated by an “x”. For
example: 8x 32. The first number is the
power, or magnification, of the binocular.
With an 8x 32 binocular, the object being
viewed appears to be eight times closer
than you would see it with the unaided eye.
Objective Lens
The second number in the formula (8x 32mm) is the diameter of the objective or
front lens measured in millimeters. The larger the objective lens, the more light
that enters the binocular and the brighter the image.
PC-3
®
Phase coating
Found on the best roof-prism binoculars, this chemical coating
is applied to the prisms to enhance resolution and contrast.
Would not provide an advantage on porro-prism models.
Porro-Prism System
In porro-prism binoculars the objective or front lens is offset
from the eyepiece. Porro-prism binoculars provide greater
depth perception and generally offer a wider field of view.
Roof-Prism System
In roof-prism binoculars the prisms overlap closely, allowing
the objective lenses to line up directly with the eyepiece. The
result is a slim, streamlined shape in which the lenses and
prisms are in a straight line. Roof-prism binoculars are less
bulky and more rugged than an equivalent porro model.
Prism Glass
Most optical prisms are made from borosilicate (BK-7)
glass or barium crown (BaK-4) glass. BaK-4 is the higher-quality glass,
yielding brighter images and high edge-to-edge sharpness.
Rainguard
®
HD
With Rainguard HD, Bushnell’s permanent,
patented, hydrophobic and oleophobic
lens coating, a foggy view is no longer
an issue. This unique coating acts on
water drops from rain, snow, sleet and even
your own breath, reducing them into much smaller
droplets. These tiny drops scatter less light,
ensuring a clearer, brighter view.
Resolution
Resolution, or definition, is the ability of a binocular
to distinguish fine detail and retain clarity.
Ultra Wide Band Coating
An anti-reflection coating process that is customized for every
lens element in the optical path, in order to allow the maximum
amount of light from the front glass all the way back to the
eyepiece. The result? Optimum brightness and true color across
the light spectrum.
Waterproof/Fogproof
Some binoculars are O-ring sealed and nitrogen purged for
total waterproof and fogproof protection. These models can
withstand complete immersion in water and stay dry inside.
The interior optical surfaces won’t fog due to rapid temperature
change or humidity.
XTR
®
Technology
As light passes through the many prisms and lenses of a roof-
prism binocular, some light is usually lost along the way. Our
exclusive new XTR technology – utilizing 60 layers of coatings
on each prism – conserves, harnesses and optimizes the
available light. XTR delivers an amazing 99.73% light transmission per lens for
a combined light transmission of 90%, making the Bushnell Elite
®
series
the brightest binocular in its class.
Binocular. A binocular consists of two optical systems that are joined by a hinge and (typically) share a common focusing
mechanism. The ability to create an image for both eyes simultaneously provides a realistic perception of depth. Binoculars are
available in a great variety of sizes, magnifying powers and features to suit any purpose or preference.
Binocular Tripod Adapter 161001CM
Mount any tripod-ready binocular to any
standard tripod. Recommended for prolonged
observation with any binocular of 10x or more.
Tripod/Window Mount 784406C
Ultra compact tripod that’s easily taken along anywhere
and converts to a car window mount. Max height: 8”
Window Mount 784407C
Compact car window mount that’s
easily taken along anywhere. Tilt
and pan handle.
Deluxe Bino Harness 19125C
A carry solution of unparalleled comfort
and performance. Our new Deluxe Bino
Harness keeps the weight off your neck
and keeps your optics front and center no
matter where the hunt takes you.
Without
Rainguard
With
Rainguard
12x
7x
MODEL
MAGNIFICATION
X OBJ. LENS
SIZE
CLASS
FOCUS
SYSTEM
PRISM
SYSTEM
PRISM
GLASS
LENS
COATING
FIELD OF VIEW
ft.@1000yds. /
m@1000m
CLOSE
FOCUS
(ft. / m)
EXIT
PUPIL
(mm)
EYE
RELIEF
EYECUPS
WEIGHT
(oz. / g)
WATER/
FOG
PROOF
ADAPT TO
TRIPOD
132514 8x 21 Compact Center Roof BK-7 Fully 378 / 126 21 / 6.4 2.6 10 Fold-Down 7 / 195 No No
132516 10x 25 Compact Center Roof BK-7 Fully 300 / 100 21 / 6.4 2.5 10 Fold-Down 8.5 / 242 No No
131225 12x 25 Compact Center Roof BK-7 Fully 240 / 80 25 / 7.6 2.1 10 Fold-Down 11.3 / 320 No No
131226 12x 25 Compact Center Roof Bk-7 Fully 240 / 80 25 / 7.6 2.1 10 Fold-Down 11.3 / 320 No No
131032 10x 32 Mid-Size Center Roof BK-7 Fully 265 / 88 25 / 7.6 3.2 12 Fold-Down 12.4 / 353 No No
131232 12x 32 Mid-Size Center Roof BK-7 Fully 240 / 80 35 / 10.7 2.6 12 Fold-Down 11.5 / 325 No No
131632 16x 32 Mid-Size Center Roof BK-7 Fully 185 / 62 20 / 6 2.0 12 Fold-Down 12.4 / 353 No No
131633 16x 32 Mid-Size Center Roof BK-7 Fully 185 / 62 20 / 6 2.0 12 Fold-Down 12.4 / 353 No No
8x 21mm
132514
A foldable compact that
fits inside a pocket or purse.
12x 25mm 131225
12x 25mm 131226 (camo)
High-powered magnification
makes these popular pack-along
binoculars for viewing wildlife.
10x 25mm
132516
Wide field of view with 10x magnification
makes these great long-range compacts.
16x 32mm 131632
16x 32mm 131633 (camo)
Among the most powerful
compacts available.
10x 32mm 131032
12x 32mm 131232
High-power compacts with
extra light-gathering ability.
Use the extra pack space for trail mix.

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