EL 10X42 SWAROVISION BINOCULAR DEMO 10x magnification brings you a bit closer to wildlife. SWAROVISION technology, with its unique optical values, supports high magnification and shows you the crucial details when you are observing over long distances. Technical Data Magnification 10x Effective objective lens diameter (mm) 42 Exit pupil diameter (mm) 4.2 Exit pupil distance (eye relief) (mm) 20 Field of view (ft/1000 yds / m/1000 m) 336 / 112 Field of view (degrees) 6.4 Field of view for eyeglass wearers (degrees) 6.4 Field of view, apparent (degrees) 60 Shortest focusing distance (ft / m) 4.9 / 1.5 Dioptric compensation (dpt) A 5 Diopter correction at 8 (dpt) 8 Light transmission (%) 90 Pupil distance (in / mm) 2.2-2.9 / 56-74 Twilight factor acc. to DIN 58388 20.5 Length approx. (in / mm)* 6.3 / 160 Width approx. (in / mm)** 4.8 / 122 Height approx. (in / mm)** 2.4 / 61 Weight approx. (oz / g) 29.6 / 840