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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Steiner T1028 10x28mm Binocular

$314.99

Steiner T1042 10x42mm Binocular

$459.99

Steiner T1042R 10x42mm Binocular

$659.99

Steiner M1050r 10x50mm LPF Binocular

$1,019.99

Levenhuk Heritage Base 15x50mm Binoculars

$199.99

Swift Reliant 743 7-21x25mm Compact Zoom Binocular

$119.99

Levenhuk Atom 10-30x50mm Binocular

$62.99

Swift 930 Ultra 10x42mm Waterproof Binoculars

$549.99

Levenhuk Heritage Plus 12x45mm Binocular

$209.99

Steiner Predator 10x42mm Binocular

$399.99

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

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