Description
The 7-21 x 40 Colorado Reverse Porro Zoom Binocular from Barska is a compact and cost-effective handheld optic useful for a wide range of outdoor activities. The variable 7-21x magnification is ideal for intermediate to long-range bird watching, hunting, and sightseeing. A reverse Porro prism design and fully coated optics transmit detail-rich resolution with edge to edge clarity and excellent low light performance. The rubber armored housing helps protect your optics from moisture and light shock. For the nature enthusiast on a tight budget, the ergonomic design and complementing features of Colorado series binoculars deliver a comfortable user-experience and high quality images.Fully coated lenses minimize glare that degrade image quality and maximize light transmission and clarity.A reverse Porro prism design provides enhanced depth perception, wide viewing angle, and compact optical channels.Magnification: 7.0-21.0x.Objective Lens Diameter: 40 mm.Porro Prism Design.Fully Coated Optics.Rubber Armored Exterior.Weather Resistant Construction.Grooved Center Focus Dial.Fold Down Eyecups.Angle of View: 7x: 5.2°, 21x: 2.9°.Field-of-View: 7x: 270′ 1000 yd / 89.64 m 1000 m.Minimum Focus Distance: 32.81′ / 10 m.Exit Pupil Diameter: 7x: 5.5: mm.Eye Relief: 7x: 14: mm, 21x: 12: mm.Focus Type: Center.