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

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Leupold BX-4 Pro Guide 8x42mm HD Binocular

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Alpen Rainier 10x42mm EDHD Binocular

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Alpen Teton 10x50mm EDHD Binocular

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

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ATN 4-16X BINOX 4K Binocular

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Leupold BX-4 Pro Guide 8x42mm HD Roof Prism Binocular (Sitka Gear Sub-Alpine)

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Leupold BX-4 Pro Guide 12x50mm HD Roof Prism Binocular (Kryptek Typhon Black)

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Leupold BX-5 Santiam 10x50mm HD Binocular (Sitka Sub-Alpine)

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