Swarovski ATC 17-40x56 Orange Spotting Scope

AT A GLANCEField flattener lenses deliver an almost flat, completely distortion-free image – right up to the edges. Pin-sharp contours, high-contrast, and true-to-life images, allow you to make out every detail.Innovative lens coatings provide excellent color rendering with high light transmission. The ATC is constructed as a single unit and cannot be separated into eyepiece and objective modulesMagnification 17-40x Effective objective lens diameter  56 mmExit pupil diameter (mm) 3.4-1.4Eye Relief (mm) 20Field of view (m/1,000 m/ft/1,000 yds) 62-34/186 -102Field of view (degrees) 3.52-1.93Field of view for eyeglass wearers (degrees) 3.52-1.93Field of view, apparent (degrees) 57- 71Shortest focusing distance (m/ft) 3.4/11.2Diopter correction at ∞ (dpt) > 5Light transmission (%) 88Objective filter thread M58 x 0,75Dimensions L x W x H (mm/in) 258 x 65 x 142/10.2 x 2.6 x 5.6 Approx. weight (g/oz) 970/34.2 Tripod connection thread 3/8“ (incl. adapter to 1/4“