Vixen Compact Zoom Binoculars MZ10-30x21 1306-03

Manufacturer model number: 1306-03 Magnification: 10-30x Effective objective lens diameter: 21mm Prism material: BaK4 Actual field of view: 3.3-1.8° Apparent field of view: 33.0-54.0° Field of view at 1000m: 58-31m Exit pupil diameter: 2.1-0.7mm Brightness: 4.4-0.5 Eye relief: 14.0-8.0mm Closest distance: Approximately 3.0m Pupil width: Approximately 59-71mm Dimensions: 9.7 x 10.5 x 4.4cm Tripod mountable Tripod mountable