A generous 32mm objective lens and XR fully multi-coated extra low-dispersion glass lenses make sure plenty of light gets through for a good view even in periods of low light. With 8x magnification and a roof prism design, this monocular offers a wide 7.6 angle of view and a 5' minimum focus distance. A collar located in the middle makes for fast focus adjustments. The argon-filled construction is waterproof and fogproof. With textured rubber armoring and attached lens covers, this monocular is meant for use.