Nikon Travelite VI 10x25 Porro Prism Binoculars 10x 25 Caliber T610X25 Black

Apparent field of view: 47.2° (calculation formula based on reference standard ISO14132-1:2002) Brightness: 6.3 Eye relief: 11.1mm Pupil diameter: 2.5mm Visibility ahead of 1000m: 87m Close distance (shortest focusing distance): 3.0m