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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Swift Reliant 743 7-21x25mm Compact Zoom Binocular

$119.99

Steiner M750rc 7x50mm Binocular

$1,099.99

Sightron SII WP Series 10x50mm Binocular

$144.99

Steiner M750r 7x50mm Binocular

$969.99

Steiner M1050r 10x50mm LPF Binocular

$1,019.99

Steiner M1580 15x80mm Binocular

$1,429.99

Steiner M1580c 15x80mm Compass Binocular

$1,799.99

Swift 930 Ultra 10x42mm Waterproof Binoculars

$549.99

Sightron SI Series 8x25mm Binocular

$99.99

Sightron SII Blue Sky Series 10x32mm Binocular

$219.99

Sightron SI Series 8x32mm Binocular

$109.99

Athlon Optics Cronus 8.5x42mm Binocular

$489.99
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