Barska 10-30x50 Monocular Black Small. This water-resistant monocular features a fully coated optical coating system and BK-7 prism that help the 10-30x50mm Monocular transmit enhanced contrast and clarity. A built-in tripod socket and 15mm eye relief make this optic a convenient alternative to lugging around a spotting scope for close to mid-range observations. A shock-absorbing rubber armoring 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 Monocular by Barska is perfect for bird watching sporting events concerts hunting and much more. Soft carrying case and hand strap are included. Specifications for Barska 10-30x50 Monocular: Manufacturer: Barska Color: Black Magnification: 10 - 30 x Objective Lens Diameter: 50 mm Field of View Linear: 66 m at 1000 m 198 ft at 1000 yds Eye Relief: 15 mm Weight: 15.16 oz Close Focus: 6.5 m 21.3 ft Features of Barska 10-30x50 Monocular Twist-Up Eyecup Non-Slip Stripe Shock-Absorbing Rubber Armor Construction Package Contents: Barska 10-30x50 Monocular Soft Carrying Case Hand Strap Lens Covers User Manual Lens Cloth Barska AA13638: 10-30x50 Monocular Black Small