Nanchang 星枫 Instrument Co., Ltd. (www.xingfengyiqi.com) is located in Nanchang, Jiangxi Nanchang Road three Qingyunpu 44, Contact: Zhengjing [Nikon MONARCH 8.5 × 56 DCF & Features] Objective Diameter (Objective diamete ): 56 mm Actual field of view (Angular field of view): 6.2 degrees Closest focusing (Close focusing distance): 10.0 m Exit pupil diameter (Exit pupil): 6.6 毫米 eye pieces (Eye relief): 19.2 毫米 two wide (Interpupillary distance) :60-72 毫米 brightness (Relative brightness): 43.6 one thousand meters horizons (Field of view at 1000m): 108 m / 1,000 m horizons length (mm): 197 mm Width (mm): 144 mm Weight (g ): 1140 g Product Type: MONARCH8 * 36DCF Product Name: Binoculars MONARCH8 * 36DCF Price: 0 Brand: Nikon Nikon product categories: physical properties testing equipment Product Name: Binoculars / Nikon binoculars Brand: NIKON Nikon Model: MONARCH 8 × 36 DCF number: Dr. M615 telescope