Bushnell 335105 Trophy 10×50 Binocular Owner’s Manual

: June 14, 2024
: Bushnell

Table of Contents

PARTS GUIDE
EYECUP ADJUSTMENT
IPD (INTERPUPILLARY DISTANCE) ADJUSTMENT
FOCUS AND DIOPTER ADJUSTMENT
NECKSTRAP ATTACHMENT
TRIPOD MOUNTING
WATERPROOF / FOGPROOF
CARE OF THE OPTICS
CLEANING
TECHNICAL SPECIFICATIONS
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Bushnell 335105 Trophy 10×50 Binocular Owner’s Manual

You’ve made the right decision by choosing the Bushnell Trophy 10×50 Binocular!

The Bushnell Trophy series is reborn, with a new housing material that’s both durable and comfortable to use-and environmentally responsible. Fully multi- coated optics and BaK-4 prisms work together to deliver ultra-bright, razor- sharp images through the most critical periods of game movement. And the tough, streamlined Dura-Grip rubber armored housing is O-ring sealed and nitrogen purged for 100% waterproof/fogproof dependability. Soft touch thumbgrips further improve handling ease, and the objective lenses are well protected from the elements by flip covers.

Enviro-Friendly: From the lead & arsenic free EF glass to the new Dura-Grip rubber, all Trophy binoculars are made with environmentally friendly materials.

Fast Focus: Because every second counts when you’re tracking wild game, the focus wheel moves from near to far with increased speed, while retaining the accurate precision you need.

PARTS GUIDE

Diopter Adjustment Ring
Center Focus Knob
Ocular Lens
Twist-Up Eyecups
Objective Lens
Tripod Adapter Socket

Product accessories included:

A. Binocular Case
B. Adjustable Neck Strap
C. Microfiber Lens Cloth
D. Ocular Lens Covers
E. Objective Lens Covers

WARNING: NEVER LOOK AT THE SUN THROUGH THE BINOCULAR (OR ANY OPTICAL INSTRUMENT). DOING THIS MAY PERMANENTLY DAMAGE YOUR EYES.

EYECUP ADJUSTMENT

Your Bushnell Trophy binocular is fitted with eyecups (Fig. 1) that provide a comfortable view of the full image and help to exclude extraneous light. For use without eyeglasses or sunglasses, twist up the eyecups (Fig. 2). This will place your eyes farther from the binocular’s ocular lenses, at the correct eye relief distance, allowing you to see the full field of view.
**Fig. 1 Eyecup in “Down” Position (for use with eyeglasses)

Fig. 2 Eyecup in “Up” Position (for use without eyeglasses)

**

IPD (INTERPUPILLARY DISTANCE) ADJUSTMENT

The spacing between the pupils of your eyes, called “interpupillary distance,” varies from person to person. To match your binoculars to your IPD or “eye to eye” width:

Point them at a white wall or blank area of the sky. Hold the binoculars and view through them as you normally would. Don’t worry about focus yet.
Grasp each side of the binocular firmly. Move the left and right sides closer together or farther apart (Fig. 3) until you see a single image with no shaded areas.
Fig. 3 Interpupillary Distance Adjustment

FOCUS AND DIOPTER ADJUSTMENT

First, adjust the eyecups and IPD as described in the previous sections.
Using the attached lens cap or your hand, cover the objective lens on the right side of the binocular.
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 when viewed through the left side of the binocular.
Uncover the objective lens on the right side, and cover the left objective lens while continuing to view the same object.
Rotate the diopter adjustment ring located directly below the right eyecup (Fig. 4), NOT the center focus knob to bring the object into focus in the right side of the binocular. Avoid overturning or forcing the diopter mechanism. If you are unable to bring the object into focus for your right eye by adjusting the diopter ring, make sure the left side is still in focus (repeat steps #2-4 if necessary). The diopter adjustment essentially provides “fine focus” on one side of the binocular (right only) to allow for slight differences in the vision of your left and right eyes.
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 your diopter setting (position of plus and minus marks on diopter ring relative to index mark on binocular below the ring) for future reference in case the ring is moved accidentally or by another person using your binocular.
Fig. 4 Diopter Adjustment Ring

NECKSTRAP ATTACHMENT

To attach the neckstrap, thread the ends of the neckstrap through the strap lug on each side of the binocular, then back through the plastic buckle on the strap (Fig. 5). 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 section which passes through the strap channel and buckle by an equal amount on each side. If you prefer to use an aftermarket strap that has metal O-rings, attach them to a plastic zip tie placed on the strap lugs rather than installing them directly on the lug, to avoid damaging the finish on the binocular via contact with the rings.
Fig. 5 Strap & Buckle

TRIPOD MOUNTING

To attach the binocular to a tripod or monopod, unscrew or pull off the cap which covers the threaded socket at the far end of the center hinge (Fig. 6) , and set it aside in a safe place.
Use a compatible binocular tripod adapter accessory (90º angle bracket), such as the Bushnell #161002CM, to attach your binocular to any standard tripod in a horizontal position to provide a stable image during prolonged viewing.
Fig. 6 Tripod Socket Cap

WATERPROOF / FOGPROOF

Getting caught in a heavy downpour of rain, or accidentally splashing your Trophy binocular during a boating excursion won’t be a problem. The binocular is manufactured and tested to withstand water exposure up to IPX7 standards. Fogproof protection is achieved from dry nitrogen purging that removes all internal air, which can retain moisture.

CARE OF THE OPTICS

Your Bushnell Trophy binocular will provide years of trouble-free service if it receives the normal care you would give any fine optical instrument.
Avoid sharp impacts. Set the binocular down gently on hard surfaces.
Tug on the strap after attaching, making sure it is securely fastened to the binocular before placing it around your neck.
Store your binocular in a cool, dry place whenever possible.

CLEANING

First, blow or brush away any dust or debris on the lens (using “canned air” or a soft lens brush).
To remove dirt or finger prints, clean with the supplied soft storage bag (made of washable micro-fiber cloth), rubbing in a circular motion. Use of a coarse cloth (including paper towels) or unnecessary rubbing may scratch the lens surface and eventually cause permanent damage. The included storage bag/micro-fiber 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 micro-fiber cloth.
For a more thorough cleaning, photographic lens tissue and photographic lens cleaning fluid or isopropyl alcohol may be used. Always apply the fluid to the cleaning cloth – never directly on the lens.
To prevent potential damage to the optical coatings on the binocular’s lens surfaces, never use household window cleaning liquids. Avoid using facial tissue or clothing that may have fibers which can be abrasive and hold oils or dirt.