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.

Shop By Size

Swift Reliant 743 7-21x25mm Compact Zoom Binocular

$119.99

Swift 747 Reliant 8x40mm Porro Binocular

$114.99

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

Carson Optics Stinger 8x22mm Portable Binocular

$39.99

Sightron SII WP Series 10x50mm Binocular

$144.99

Swift Audubon 820T 8.5x44mm Waterproof Binocular

$599.99

Swift 930 Ultra 10x42mm Waterproof Binoculars

$549.99

Sightron SI Series 8x25mm Binocular

$99.99
-5%

Alpen Shasta Ridge 10x42mm Binocular

$189.99 $199.99

Sightron SII Blue Sky Series 10x32mm Binocular

$219.99
Showing 13 to 24 of 51 (5 Pages)