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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Bresser M-Series Montana 8.5x45mm ED Binocular

$849.99

Bresser M-Series Montana 10.5x45mm ED Binocular

$949.99

Bushnell Powerview 10x42mm Roof Prism Binocular

$74.99

Bushnell Powerview 12x50mm Binocular

$59.99

Swift Audubon 820T 8.5x44mm Waterproof Binocular

$599.99

Swift 747 Reliant 8x40mm Porro Binocular

$114.99

Athlon Optics Cronus 8.5x42mm Binocular

$489.99

Athlon Optics Cronus 15x56mm Binocular

$699.99

Athlon Optics Ares 10x42mm Compact Binocular

$399.99

Bushnell Powerview 20x50mm Porro Prism Binoculars

$79.99

Athlon Optics Ares 10x36mm Binocular

$369.99

Athlon Optics Ares 8x36mm Binocular

$359.99
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