The Swarovski Optik ATS 80 HD Spotting Scope with 25-50x eyepiece features fluoride HD lenses that minimize color fringing (chromatic aberration). It is easy to handle and extremely light due to slender ergonomic design. The user friendly, ergonomic focus ring with large groves gives quick precise focus. It is dustproof and watertight, submersible to 13 ft with protective rubber armoring. Swarovski Optik ATS 80 HD Spotting Scope Specifications Magnification 25-50x Objective Lens 80 mm Exit Pupil Diameter 3.2 - 1.6mm Eye Relief 17mm Field of View (ft/1000 yds) 138 - 89 Field of View (degrees) 2.4 - 1.55 Field of View: Eyeglass Wearers (deg.) 2.4 - 1.55 Field of View apparent (degrees) 60-70 Shortest Focusing Distance 16ft Diopter Correction at infinity (dpt) >5 Twilight Factor 44-63 Objective Filter Thread M 82 x 0.75 Functional Temperature -4 deg.F to +131 deg.F (-25 deg.C / +55 deg.C) Storage Temperature -22 deg.F to +158 deg.F (-30 deg.C / +70 deg.C) Submersion Tightness 13 ft (4 m) water depth (filled with nitrogen) Length 14" / 35.56 cm Eyepiece: 3.4" / 8.64cm Weight 48.7 oz / 1380 g Eyepiece: 10.4 oz / 294.85g
Outstanding optical quality and ergonomic function
Quick & easy changes for eyepieces and photo equipment due to bayonet connector
