Excursion-EX 10x42 Waterproof Binoculars | Telescope.com: Bushnell

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Bushnell Excursion-EX 10x42 Waterproof Binoculars

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Waterproof Bushnell binocular with 10x power magnification and 42mm diameter objective lenses
Nice 6.5 foot close focus distance
15.5mm eye relief
Wide 6.5° field of view
Weighs 1.4 lbs.

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Item # 52514

Mfg Model # 24-4210

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For daytime use in damp weather conditions, the Excursion-EX 10x42 WP Roof Prism binoculars from Bushnell are a great choice.

Their 100% waterproof and fogproof design excels at providing clear, 10x magnification views in virtually any weather. 42mm diameter objective lenses collect a good amount of light which is transmitted through high-quality BAK-4 roof prisms for crisp and clear observations of daytime targets such as birds and wildlife.

A nice, wide 6.5° field of view allows you to see a 341 foot wide area at 1000 yards. An amazingly short minimum focus distance of just 6.5 feet lets you inspect close-by objects in great detail.

Weighs 1.4 lbs.

Warranty

This product is serviced and supported by its manufacturer according to the terms and conditions included in the packaged product. Orion's limited warranty does not apply. Please contact the manufacturer directly for technical support.

Specs

Best for viewing

Nature & scenic
Magnification

Magnification

A measure of the enlargement of an object seen through an optical instrument. More specifically, it is a measure of the angle subtended by an image viewed with optical aid divided by the angle subtended by the same object without optical aid. Magnification is determined by dividing the focal length of the telescope (or binocular) by that of the eyepiece. Hence a telescope with a 1200mm focal length and an eyepiece of 40mm yields a magnification of 30x. The human eye is considered 1x magnification.

10x
Optical diameter

Optical diameter

The optical diameter (also known as aperture), is the size of the telescope's main light collecting lens or mirror, measured in millimeters or inches. As the diameter increases, more light is collected and the resolution increases.

42mm
Field of view - angular

Field of view - angular

The field of view expressed as part of a 360-degree circle. Holding your pinky finger out at arms length is approximately 1-deg wide. To convert this to the linear measurement of "feet at a thousand yards", multiply by 52.5. For example, at 1000 yards distance, a 7-deg binocular will see a width of 367.5 feet (7 x 52.5)

6.5°
Field of view - linear

341.0 ft./1000 yd
Apparent field of view

Apparent field of view

The edge-to-edge angular diameter of the light emerging from the eyepiece as seen by the eye. It is an inherent specification for a given eyepiece type or design. The apparent field of view of an eyepiece is directly related to the true field of view seen through the telescope; for a given focal length eyepiece, the greater the eyepiece's apparent field of view, the greater area of sky will be seen.

65.0°
Eye relief

Eye relief

The distance, measured in millimeters, between the observer's eye and the eyepiece lens in which the entire field of view remains visible. Eye relief varies with the optical design but generally increases with decreasing magnification. Long eye relief is advantageous for observers who wear glasses, as they don't have to put their eye directly on the eyepiece to see the entire field of view, nor do they have to remove their eyewear.

15.5mm
Exit pupil

Exit pupil

The diameter of the circle of light exiting the telescope eyepiece. It appears as a distinct disk when the telescope is pointed at a bright source like the Moon. Also known as the Ramsden disk, the exit pupil varies with both aperture and magnification.

4.2mm
Near focus

Near focus

The minimal distance at which a binocular and/or spotting scopes can attain focus. Near focus is an important quality for bird watchers and wildlife devotees who want to get as close as possible to their quarry.

7 ft.
Coatings

Coatings

Lenses are coated with an antireflective material to ensure that as little light as possible is reflected away, so more gets to your eye. Good lenses are at least "fully coated," with a single layer of magnesium fluoride applied to each air-to-glass lens surface. Multiple layers of coatings are even more effective; the term "multi-coated" means one or more lens surfaces have multiple coatings. "Fully multi-coated" is even better, meaning that all lens surfaces are multiple-layer coated. Mirror star diagonals are coated with a reflective material similar to telescope mirrors in order to reflect the light into the eyepiece. Standard aluminum coatings reflect between 88%-92%, and enhanced aluminum reflects 97%. Dielectric coatings use a different process to deposit a coating that reflects 99% of the light. In addition to the higher reflectivity, Dielectric coatings are much more durable than aluminum coatings, so they last longer and can be cleaned with less risk of damage.

Fully multi-coated
Prism

Prism

Porro Prisms: A binocular prism system that contains two right-angle prisms in each barrel offset from one another, requiring that the objective lenses be spaced further apart than the eyepieces. Optically, porro prisms often perform better than their roof prism counterparts. Roof Prisms: A compact binocular prism system that allows the objective lenses to line up directly with the eyepieces and hence yields a more portable binocular. Roof prism binoculars lose slightly more light to reflections than porro prism binoculars. High-quality roof prism binoculars compensate for this with special optical coatings.

BAK-4 Roof
Focus style

Center focus
Waterproof

Yes
Tripod adaptable

Yes
Diopter adjustment

Yes
Weight

1.4 lbs.
Additional included accessories

Soft travel case and protective pouch, Eyepiece & objective lens caps, Deluxe neck strap & cleaning cloth
Other features

Lg lockable center focus knob for precise focusing, Twist-up eyecups, Soft-Touch thumb grip
Warranty

Limited lifetime

In the Box

Bushnell Excursion-EX 10x42 Binoculars
Soft travel case and protective pouch
Eyepiece and objective lens caps
Deluxe neck strap
Cleaning cloth

Shipping Info

Orders received by noon Pacific Time for in-stock items ship the same business day. Orders received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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