illed with nitrogenJaPupil spacing53 – 74 mmPupils focal distance20 mmOculars for wearer of glassesJa Dimensions Dimensions193 x 175 x 65 mmWeight1089 g Glass properties Prism materialBaK-4Lens coatinghighly [...] Field glasses trophy® P 10 x 50 Art. Nr. 4236150 Hight-quality, wide-angle optics for observing birds and wildlife on the move. Product PropertiesExtra wide field of view: High quality wide-angle [...] coatinghighly transmitted full multi-coating Optical properties Magnification10 xLens diameter50 mmExit pupill5 mmGeometric luminosity25Twilight number22.4Near point6 mWide angle opticsJaField of view/Visual