Swarovski EL Range 8 x 42 Binocular with Tracking Assistant and High Transmission Value (Orange)The optics concept of the SWAROVSKI OPTIK EL Range 8x42 Binoculars in Orange impresses with a large field of view (140 meters or 419 feet) or 1000 meters (1000 yards)) with maximum edge sharpness. Optimum contrast and high transmission values (90 percent on both sides) add the finishing touches to the optics package and guarantee top performance even in difficult light conditions. With its larger objective lens aperture and excellent twilight