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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Athlon Optics Neos 12x50mm Porro Binocular

$99.99

Firefield Emissary 8x21mm Compact Binocular

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Firefield Emissary 16x32mm Binocular

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Firefield Emissary 10x32mm Binocular

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Kruger Backcountry 8x25mm Compact Binocular

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Kruger Backcountry 10x25mm Compact Binocular

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