B00161ZI4A Vortex Optics Solo Monocular 10×36

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10x magnification and 36mm objectives lens, the Solo Monocular is a small, lightweight optic with fully multi-coated lenses, increasing the light transmission and resolution giving you the clear, crisp images you want.
The monocular is fully rubber armored providing a non-slip grip to the user and making it extremely durable.
Nitrogen purged and o-ring sealed, the Solo delivers waterproof and fogproof performance in any environment.
The adjustable eyecup allows for comfortable viewing with or without glasses.
The 36mm Solo comes with a versatile, multi-position utility clip for quick attachment to your equipment or clothing.