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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Tasco Essentials 12x32mm Roof Prism Binoculars

Out Of Stock

Tasco Focus Free 8x25mm Porro Prism Binoculars

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Tasco Offshore 8x25mm Roof Prism Binoculars

Out Of Stock

Leupold BX-5 Santiam 8x42mm HD Binocular

Out Of Stock

Leupold BX-5 Santiam 8x42mm HD Binocular (Strike Gear Sub-Alpine)

Out Of Stock

Leupold BX-5 Santiam 10x42mm HD Binocular

Out Of Stock

Burris Signature HD 12x50mm Roof Prism Binoculars

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Sig Sauer Zulu9 9x45mm HDX Abbe Koenig Prism Binocular

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Burris Signature HD 8x42mm Roof Prism Binoculars

Out Of Stock

Sig Sauer Zulu7 12x50mm with HD Lens, Open Bridge Binoculars

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Sig Sauer Zulu5 10x42mm Binocular

Out Of Stock

Sig Sauer Zulu5 8x42mm Binocular

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