Nikon Binoculars Telescope E II Series 8X30E2 Porro Prism 8 Times 30mm Black classic model of the lightweight body Bird Watching subjected to multilayer coating to a wide field of view type lenses and prisms full immersive of 63.2  apparent field of view, using the secure magnesium alloy bright view Specifications: 8 shortest focusing distance 13.8mm:: 3.0 14.4 eye relief Brightness: 3.8m: 154m Exit pupil: Field of view at 63.2 (70.4)  1000m: magnification objective lens effective diameter: 30mm Real field of view: 8.8  Apparent field of view