Prism Type Porro Magnification 8 x Objective Lens Diameter 40 mm Angle of View 8.2° (Actual) Field of View 429.0' @ 1000 yd / 142.4 m @ 1000 m Minimum Focus Distance 13.1' / 4 m Exit Pupil Diameter 5 mm Eye Relief 12.0 mm Focus Type Center Tripod Mount None Dimensions 7.2 x 5.5 x 2.3" / 18.2 x 13.9 x 5.8 cm Weight 25.0 oz / 710.0 g Packaging Info Package Weight 2.3 lb Box Dimensions (LxWxH) 9.0 x 8.0 x 4.0"