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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Barska 8x30 BATTALION Waterproof Binocular with Rangefinder

$201.99

Barska 12x42 BLACKHAWK Green Lens Waterproof Binocular

$94.99

Sightron SI Series 8x32mm Binocular

$109.99

Barska 10x42 BLACKHAWK Green Lens Waterproof Binocular

$83.99

Sightron SIII MS Series 10x32mm Binocular

$399.99

Barska 12x42 BLACKHAWK Green Lens Waterproof Binocular -- (Mossy Oak)

$117.99

Sightron SII Blue Sky Series 8x42mm Binocular

$289.99

Carson Optics Hawk 30mm Kids' Deluxe Ultra Binocular

$19.99

Sightron SII WP Series 8x42mm Binocular

$109.99

Barska 10x42 BLACKHAWK Green Lens Waterproof Binocular -- (Mossy Oak)

$105.99

Barska NVX100 Night Vision Monocular -- (Blue)

$169.99

Burris Signature HD 12x50mm Roof Prism Binoculars

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