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TERMINOLOGY
1. EYE PIECE
2. EXIT PUPIL
3. OCULAR LENS
4. POWER RING
5. WINDAGE ADJUSTMENT
6. ELEVATION ADJUSTMENT
7. OBJECTIVE BELL
8. EYE-BELL
9. OBJECTIVE LENS |
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RIFLESCOPE
A rifle scope indicates a bullet's point of impact and makes distant targets
and surrounding objects appear closer. A rifle scope is recommended for
safer, more accurate shooting in the field and on the range.
Coated Optics
Coatings on lens surfaces reduce light loss and glare due to reflection
for a brighter, higher-contrast image with reduced eyestrain. Bushnell®
rifle scopes are coated with a microscopic film of magnesium fluoride.
More coatings lead to better light transmission.
TYPES OF COATING
Coated - A single layer on at least one lens.
Fully-Coated - A single layer on all air-to-glass surfaces.
Multi-Coated - Multiple layers on at least one lens and all surfaces
are coated at least once.
Fully Multi-Coated - Multiple layers on all air-to-glass surfaces.
Exit Pupil
The size of the column of light that leaves the eyepiece of a scope. The
larger the exit pupil, the brighter the image. To determine the size,
divide the objective lens diameter by the power (a 4x40 model has an exit
pupil of 10mm).
Eye Relief
The distance a scope can be held away from the eye and still present the
full field of view. Bushnell rifle scopes provide an extra margin of comfort
and recoil safety with extended eye relief and soft neoprene eyepiece
guards.
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 100 yards or meters. A wide field of view makes it easier to spot game
and track moving targets. Generally, the higher the magnification, the
narrower the field of view.
Magnification (Power)
Rifle scopes are often referred to by two numbers separated by an "x".
For example: 4x40. The first number is the power or magnification of the
scope. With a "4x", the object being viewed appears to be four
times closer than when seen with the unaided eye.
Objective Lens Size
The second number in the formula (4x40) is the diameter of the objective
or front lens. The larger the objective lens, the more light that enters
the scope, and the brighter the image.
Ocular Lens
The lens closest to your eye.
Parallax
A condition that occurs when the image of the target is not focused precisely
on the reticle plane. Parallax is visible as an apparent movement between
the reticle and the target when the shooter moves his head or, in extreme
cases, as an out-of-focus image. Bushnell center-fire rifle scopes under
11x are factory-set parallax-free at 100 yards; rim-fire and shotgun scopes
at 50 yards. Scopes of 11x or more have a special range focus to adjust
for parallax.
Precision Adjustments
The windage and elevation adjustments affect accuracy. Windage is the
horizontal (left-to-right) adjustment, usually the side turret of the
scope. Elevation is the vertical (up-and-down) adjustment, usually the
top turret of the scope. Bushnell scopes feature 1/4 M.O.A. (1/4"
at 100 yards) or finer windage and elevation adjustments with audible
clicks for greater precision.
RAINGUARD®
Now the hunter won't miss the shot of his life by accidentally breathing
on his eyepiece while aiming. RAINGUARD is Bushnell's exclusive, patent
pending, hydrophobic (water-repellent) coating that causes condensation
from rain, fog or snow to form in much smaller droplets than on standard
coatings. Smaller droplets scatter less light resulting in increased light
trans-mission and a much clearer sight picture. Also, water sheets off
of RAINGUARD much more readily than off a standard coating.
Resolution
Resolution, or definition, is the ability of a scope to distinguish fine
detail and retain clarity.
Rugged Body Construction
Bushnell rifle scopes use high-durability aluminium alloy formed into
a one-piece tube. They are also anodize finished and are sealed to protect
the inside from the elements. Each rifle scope is rustproof, virtually
scratch-proof and a beautiful complement to the most expensive rifles.
Sealed, Waterproof and Fogproof
Bushnell rifle scopes remain crystal-clear in all types of weather. All
1" and 30 mm diameter rifle scopes are not only nitrogen-purged to
remove any vestige of internal moisture, but they are also O-ring sealed
to prevent the entry of dust or moisture.
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How To Choose
A quality rifle scope is the key to a successful day at the range or
in the field. Rifle scopes bring distant targets and surrounding objects
up close and personal allowing safer, more accurate shooting. They gather
and utilize available light making it possible to shoot in lower light
conditions and allowing the hunter to hunt from dawn to dusk.
Pairing just the right rifle scope with your gun and ammunition will
help you get the most out of each and every shot. Selecting the correct
scope to fit your needs involves a number of considerations from mechanics
and construction, to image quality and magnification. Keep in mind when
and where you shoot most often and choose a rifle scope with features
that best fit the requirements of your particular sport.
Mechanics
The inner workings of a scope have a direct affect on shooting accuracy.
As adjustments are made during sight-in, the cam tube, which holds the
reticle and lenses in place, moves inside the scope. To stay on target
and produce a quality image, this tube must be strong enough to absorb
the impact of heavy recoil during shooting and remain in place. When selecting
your rifle scope look for precision (positive) adjustments, point-of-impact
consistency, reticle strength and waterproof, fogproof and shockproof
durability. You'll also want to consider weight, bulk and ergonomics,
which are especially important during long days in the field.
Image Quality
For optimum image quality, it is important that the optical system of
a rifle scope deliver as much light as possible to the eye of the shooter.
The lighter or brighter the image, the sharper the resolution, and the
clearer the shot. The quality of the glass, lens design and optical coatings
all contribute to a rifle scope's ability to manage light effectively.
When selecting your scope, consider magnification, objective lens size,
exit pupil, resolution, field of view and eye relief.
Magnification
Choose a rifle scope with the magnification or power that is appropriate
for your particular application.
Low power - (example: 1.5-6x32, 2-7x32) These rifle scopes are ideal
at close range and for shooting moving targets. They provide the most
effective light management and produce a brighter sight picture and wider
field of view-even in low-light conditions and thick brush.
Medium power - (example: 3-9x40, 2.5-10x50) Select these rifle scopes
for hunting big game at medium range.
High power - (example: 6-18x40, 6-24x40) These rifle scopes are best
for target shooting, when the target is motionless and for varmints and
other small game.
TYPES OF RETICLES
A reticle is the cross hair or pattern placed in the eyepiece of the scope
which establishes the gun's position on the target.
CUSTOM RETICLE PROGRAM
Custom reticles are available for adjustable objective Elite® rifle
scopes only on a custom basis. Reticles available by scope model are listed
below.
MODEL DESCRIPTION RETICLE
32-4124A 4-12x40 1/2 Dot
42-3640A 36x40 1/8 Dot
42-4165M 4-16x50 1/4, 1/2 Dot
42-6244M 6-24x40 1/4, 1/2 Dot, Mil Dot
42-8324M 8-32x40 1/4, 1/2 Dot, Mil Dot
To order your custom reticle, mail your scope along with a check for $55.00
to:
Bushnell® Elite Rifle scopes
Attn: Custom Reticles
8500 Marshall Drive
Lenexa, KS 66214
Your scope will be returned in approximately 6 weeks.
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