The “42” in our 10x42 binocular refers to the diameter of the objective (front) lens in millimeters. Since the objectives will often be the largest portion of the optic, it will affect the overall size and weight of the binocular, and how much light it can gather.

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Athlon Optics Neos 10x50mm Porro Binocular

$74.99

Athlon Optics Neos 12x50mm Porro Binocular

$99.99

Carson Optics Stinger 12x32mm Portable Binocular

$49.99

Carson Optics Hawk 30mm Kids' Deluxe Ultra Binocular

$19.99

Carson Optics Stinger 10x25mm Portable Binocular

$44.99

Kruger Companion 8x21mm Porro Binocular

$49.99

Kruger Companion 10x42mm Roof Binocular

$69.99

Swift 930 Ultra 10x42mm Waterproof Binoculars

$549.99

Carson Optics Stinger 8x22mm Portable Binocular

$39.99

Swift Reliant 743 7-21x25mm Compact Zoom Binocular

$119.99

ATN BinoX THD 4.5-18x50mm 384x288 with HD Video Recording, Wi-Fi, GPS, Smooth Zoom Thermal Binoculars

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