The 10-30X50mm Precision Colorado Zoom Monocular by Barska combines portability and ergonomic design into a versatile lightweight optical system. This monocular features a fully coated optical coating system and BK-7 prism that help the user experience enhanced contrast and clarity. A built-in tripod socket and adjustable eye relief make this optic a convenient alternative to lugging around a spotting scope for close to mid-range observations. A shock-absorbing rubber armor gives the user a solid grip while the center focus knob allows the user to easily focus the monocular with one hand. Whatever the application, this monocular by Barska is well-equipped for quick glassing on the go. The 10-30x50mm Colorado Precision Monocular by Barska is perfect for bird watching, sporting events, concerts, hunting, and much more. Includes a soft carrying case, wrist lanyard, rubber lens caps, and a microfiber cloth.