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 Spectator Sport 8x25mm Porro Prism Binoculars

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Bushnell Engage Binoculars 8x42mm Roof Prism Binoculars

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Bushnell Engage Binoculars 10x50mm Roof Prism Binoculars

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Bushnell Engage Binoculars 12x50mm Roof Prism Binoculars

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Alpen Rainier 8x42mm EDHD Binocular

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Bushnell Trophy 10x42mm Roof Prism Binocular

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Bushnell Trophy 10x42mm Roof Prism Binocular

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Alpen Rainier 10x42mm EDHD Binocular

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Alpen Teton 10x50mm EDHD Binocular

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