The 6x30 WP Blueline Monocular from Barska houses fully coated optics in a weather-sealed ergonomic housing. The handheld design, 6x magnification, and close-focusing distance make this optical device ideal for bird watching and nature observation. Fully coated lenses and BK-7 roof prisms transmit bright, contrast-rich images with sharp detail even in low-light conditions. An ergonomic housing, grooved eyepiece focusing dial, and wide exit pupil ensure this monocular will deliver a comfortable long-duration viewing experience.• 6x Magnification• 30mm Objective• BK-7 Porro Prism• Fully Coated Optics• 13' Close Focus Distance• Rubber Armored Housing• Eyepiece Focusing SystemSpecificationsModel Number: AA11278Prism Type: PorroPrism Glass: BK-7Magnification: Fixed 6xClose Focus: 13'Eye Relief: 20 mmObjective Lens: 30mmExit Pupil: 5 mmField of View @ 1000 yds.: 549'Optical Coating: Fully CoatedWaterproof: YesWeight: 3.47 oz. Length: 5"Finish: GreenWarranty: Mfr. Limited Lifetime Warranty BK-7 roof prisms transmit bright, contrast-rich images with sharp detail Grooved eyepiece focusing dial Wide exit pupil for comfortable, long-duration viewing | Barska 6x 30mm WP Blueline Monocular, Blue Lens