Meade Instruments Corporation
Telescopes · Binoculars · Microscopes


 
Binoculars Instruction Manual
 
  WARNING! Never observe the Sun through your Meade binocular! Observing the Sun, even for the shortest fraction of a second, will cause instant and irreversible eye damage. When using your binocular during the daytime, do not point it even close to the Sun.
Instructions for Proper Use and Care of Your Meade Binocular

Congratulations on your selection of a Meade binocular, designed to deliver optimal performance for maximum viewing enjoyment. Regardless of your application bird watching, nature studies, spectator sports or sightseeing you will appreciate the superior optics and durable construction that make Meade binoculars an excellent investment.

To protect your investment and ensure that you can take full advantage of the many features of your Meade binocular for many years to come, please take a few moments to review these instructions for proper use and care.

ADJUSTING THE EYEPIECES

The folding action of the two halves of the binocular adjusts to compensate for individual differences in the spacing between the user's eyes. This distance is known as the interpupillary distance, or IPD. Adjustment of your personal IPD is an important step in the proper use of your Meade binocular:

1. Hold the binocular up to your face in the normal viewing position, using both hands to hold each barrel firmly.

2. Pull the barrels together or apart until you see a single circular field with both of your eyes.

FOCUSING THE BINOCULAR

1. Set the Diopter Knob (see diagram)at zero.

2. Look through the binocular at an object that is at least 100 feet (30 meters) away.

3. With the lens cover or your hand, cover the right Objective Lens so that you will be looking through your left eye only.

4. Rotate the Center Focus Knob until the object you are viewing with your left eye is sharp and clear. At this point the object is in focus.

5. Remove the lens cover (or hand) from the right Objective Lens and cover the left Objective Lens so that you will be looking through your right eye only.

6. While looking at the object, rotate the Diopter Knob until the object you see through your right eye is sharp and clear. At this point the object is in focus.

7. Now with a turn of the Center Focus Knob, only, both near and far objects can be brought into focus.

FOCUS LOCK SYSTEM

Meade Safari Pro binoculars include a Focus Lock feature (see diagram), permitting the locking of the Center Focus Knob to maintain precise focus of an object at a specified distance. To set the Focus Lock, slide the Center Focus Knob toward the objective lens. To release the Focus Lock, slide the Center Focus Knob away from the objective lens.

FOCUSING ZOOM BINOCULARS

Certain Meade binoculars are designed to "zoom" to move closer to or farther away from an object. To focus a zoom binocular, first set the power at its highest magnification, by moving the zoom lever (see diagram). Then follow the same binocular focusing instructions above. After the binocular is focused for your eyes at the highest power, it will remain in focus at lower powers. Note: Zoom binoculars typically provide higher quality images at lower powers.

WATERPROOF / FOGPROOF MODELS

Certain Meade binoculars (e.g., RainForest Pro models) offer protection against internal moisture condensation, humidity, and dust. These waterproof and fogproof binoculars have been nitrogen-purged to expel all internal moisture and are "O-ring" sealed for protection in all weather conditions.

OVERVIEW OF YOUR MEADE BINOCULAR

To enhance your viewing enjoyment, take a moment to familiarize yourself with your new Meade binocular:


Overview of your Meade Binocular

A NOTE FOR EYEGLASS WEARERS

For best results while wearing eyeglasses, fold down the binocular's rubber eyecups. Then place your glasses against the rubber eyecups while observing through the binocular.

CARE AND CLEANING

By following these guidelines your Meade binocular will provide optimal performance for many years:

1. Keep binocular lenses clean and free of moisture and dirt.

2. When not in use, do not expose your binoculars to direct sunlight for long periods of time (e.g., on the dashboard of your car).

3. Store your binocular in a cool, dry place. Always store your binocular in its carrying case, with the rubber eyecups in the "up" position.

4. Binoculars are precision instruments: handle them with care. Do not drop, shake, bump or rattle your binocular. Binocular optics can become misaligned (out of collimation) as a result of rough treatment, rendering the binocular virtually unusable. Collimation problems caused by rough treatment require repair by a trained technician. Such collimation adjustments are not covered by the Warranty.

To clean your binocular, follow these steps:

1. Before attempting to clean any of the lenses, carefully remove, with a soft lens brush or "canned air," all grit, sand, dirt, dust, or other substances which may scratch the surfaces of the optics. Then use soft lens cleaning tissues, a lint-free cotton cloth, or a clean cotton swab.

2. For materials that remain on the lenses, use a lens cleaning solution (e.g., a commercial optical lens cleaner, or household window cleaner) to remove grease, etc. CAUTION: Do not apply liquid directly onto a lens, which may result in the liquid seeping into the barrel of the binocular. Apply the solution onto a cloth or swab. Then apply light pressure to remove the foreign substance with soft circular motions of the cloth or swab. Note: Excessive pressure used when cleaning dirty lenses (e.g., rubbing gritty dirt into the lens surfaces) may damage coatings. Use a light touch.

3. Once foreign substances have been removed from the lens surfaces, breathe onto the lenses to apply vapor. Before the moisture evaporates, gently polish the lens surfaces with a clean cotton cloth or lens cleaning cloth.

4. For more thorough cleaning: remove dirt or liquid from under the binocular eyecup flange (next to the eyepiece lens surface) by removing the eyecup, gently lifting it up and carefully cleaning the entire lens surface as described above.

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