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

Carson Optics Stinger 10x25mm Portable Binocular

$44.99

Carson Optics Stinger 8x22mm Portable Binocular

$39.99

Swift 930 Ultra 10x42mm Waterproof Binoculars

$549.99

Swift Reliant 743 7-21x25mm Compact Zoom Binocular

$119.99

Firefield Emissary 8x21mm Compact Binocular

Out Of Stock
-17%

Firefield Emissary 16x32mm Binocular

Out Of Stock

Firefield Emissary 10x32mm Binocular

Out Of Stock

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

Out Of Stock

Leupold BX-4 Pro Guide 10x32mm HD Roof Prism Binocular

Out Of Stock
-23%

BSA 10-30x60mm Obj. Binocular

Out Of Stock

Leupold BX-4 Pro Guide 8x42mm HD Roof Prism Binocular (Kryptek Typhon Black)

Out Of Stock
Showing 13 to 24 of 35 (3 Pages)