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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Carson Optics Stinger 10x25mm Portable Binocular

$44.99

Carson Optics Stinger 8x22mm Portable Binocular

$39.99

Firefield Emissary 8x21mm Compact Binocular

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Firefield Emissary 16x32mm Binocular

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

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

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Firefield Emissary 10x32mm Binocular

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Leupold BX-4 Pro Guide 8x42mm HD Binocular

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Alpen Rainier 8x42mm EDHD Binocular

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Alpen Rainier 10x42mm EDHD Binocular

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Alpen Teton 10x50mm EDHD Binocular

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