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Celestron COSMOS™ Tree of Life 10 x 42 Binoculars

Waterproof 10X binoculars

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  • Celestron COSMOS™ Tree of Life 10 x 42 Binoculars

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Our take on the Celestron COSMOS™ Tree of Life 10 x 42 Binoculars

by Dave Bar
Celestron

Get a closer look at your world

View the jagged edges of distant mountains, or get a closer look at the pileated woodpecker chipping away at the maple tree in your front yard with Celestron's COSMOS Tree of Life 10 x 42 binoculars. Their high magnification and close, 6.5-foot focus distance give you a clear, detailed look at objects both far away, as well as those nearby, like the bird feeder on your back porch. With their compact size, plus a waterproof and fogproof design, you can take them along for worry-free viewing just about anywhere.

These binoculars were designed to deliver distortion-free images. Fully multi-coated lenses and phase-coated BaK-4 prisms minimize light loss for greater brightness and contrast. Their 42 mm objective lenses are large enough to gather more light than smaller binoculars, but are still light enough to hold comfortably in your hands for long viewing sessions. Eyeglass wearers can better appreciate the view, too, thanks to twist-up, multi-stop rubber eye cups. The binoculars' non-slip, rubberized exterior and lightweight polycarbonate housing makes them easy to grip, but won't weigh you down. Celestron's rugged, high-quality construction is even backed by a lifetime warranty to ensure long-lasting performance.

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Highlights:

    General:
    • 10X binoculars with fully multi-coated optical elements for increased resolution and detail
    • nitrogen-filled waterproof and fogproof design for use in all weather conditions
    • phase-coated BaK-4 prism glass for increased light transmission and brighter images
    • twist-up eye cups with multiple click stops provide comfortable viewing with or without eyeglasses
    • durable rubber armor exterior in desert sand color offers non-slip grip
    • compact, lightweight design for easy portability
    Specifications:
    • magnification: 10X
    • objective lens diameter: 42mm
    • apparent field-of-view: 5.8 degrees
    • exit pupil: 4.2mm
    • eye relief: 14mm
    • 4-15/16"W x 5-3/8"H x 2"D
    • weight: 22.2 ounces
    • warranty: lifetime of original owner
    • Our 60-day money-back guarantee
    Supplied Accessories:
    • carrying case
    • neck strap
    • objective lens caps and rain guard
    • lens cloth

    Hands-on research from the Crutchfield Labs (what are the Labs?)

    Product Research
    What's in the box?

    • COSMOS 10x42 binoculars
    • Eyepiece cap (installed)
    • 2 Flip-down objective lens caps (installed)
    • Neck strap
    • Lens cloth
    • Black soft case
    • Manual

    Our Product Research Team

    At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

    Features

    Overview: The COSMOS Tree of Life 10x42 binocular by Celestron is a lightweight, waterproof binocular with fully multi-coated optics, that can be used for observing nature and wildlife. The 10x42 model features a desert sand-colored rubber-armored coating for a sure grip, and comes with a neck strap, rain guard, flip-down objective lens caps, and a soft, padded carrying case.

    Waterproof: The COSMOS Tree of Life binocular is waterproof, fogproof, and nitrogen purged, allowing you to use them in humid or wet conditions without worry.

    BaK-4 Prisms: The high quality BaK-4 prisms are phase coated, which increases contrast and resolution. The binocular includes fully multi-coated optics for great image detail, and brighter images, even in low light.

    Focus Knob: The COSMOS Tree of Life binocular has a smooth, central focus knob for bringing your subject into focus.

    Tripod Mountable: The 10x42 binocular has built-in threads that allow it to be mounted to a tripod using the optional Tripod Mounting Adapter. The threads can be accessed by removing the logo cap from the front of the hinge.

    Diopter Ring: The right eyepiece has a +/-4 diopter ring for adjusting the binocular to your eyesight. A diopter index indicates the "0" position, as well as "+" and "-" positions.

    Twist-up Eyecups: The twist-up eyecups accommodate both eyeglass and non-eyeglass wearers. For those who don't wear eyeglasses, the eyecups twist counterclockwise to the full up position. For eyeglass wearers, the eyecups provide the widest field of view in the down position. There is also a middle click-stop position, which may suit other users better.

    Specifications:

    • Model: COSMOS Tree of Life 10x42
    • Objective Diameter: 42mm
    • Magnification: 10x
    • Close Focusing Distance: 6.5'
    • Angular Field of View: 5.8°
    • Exit Pupil: 4.2mm
    • Eye Relief: 14mm
    • Relative Brightness: 17.6
    • Twilight Factor: 20.4
    • Prism Type: Roof prism
    • Interpupillary Distance Adjustment: 56-74mm
    • Diopter Compensation: +/-4
    • Weight: 22.2 ounces
     
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    For a more in-depth review and enhanced detailed information on the Celestron COSMOS™ Tree of Life 10 x 42 Binoculars, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_87271305/Celestron-COSMOS-Tree-of-Life-10-x-42-Binoculars.html ).

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