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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Bushnell Legend 10x25mm Ultra HD Binoculars

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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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Leupold BX-5 Santiam 8x42mm HD Binocular

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

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Leupold BX-5 Santiam 10x42mm HD Binocular

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Leupold BX-4 Pro Guide 8x42mm HD Binocular

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Kruger Backcountry 8x25mm Compact Binocular

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Kruger Backcountry 10x25mm Compact Binocular

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Bushnell Legacy 10-22x50mm Binocular

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Leupold BX-5 Santiam 12x50mm HD Roof Prism Binocular (Sitka Sub-Alpine)

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Bushnell Marine 7x50mm Porro Prism Binoculars

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