Kowa Roof Prism 10x 25mm Objective BD10x25 Binoculars, Type, Magnification, Lens, BD25-10GR

Magnification: 10x, Objective lens effective diameter: 25mm Size: 111 x 107 x 39 mm Mass: 320g Accessories: Dedicated storage case, strap Country of origin: Japan Apparent field of view: 50.0° Brightness: 6.3 Eye relief: 17.7mm Exit pupil diameter: 2.5mm Visibility ahead of 1000m: 87.3m Close distance (shortest focusing distance): 1.8m