ED Objective Lens, Extra-low Dispersion, Fully-multi Coated. 7 Elements / 4 Group Zoom Eyepiece, Roof Prism Focusing System. Rubber Covered to Protect against Crashes and Scratches. Ultra Short Spotting Scope with Tripod. For Target Shooting, Birding and Wildlife Viewing. Magnification: 8-24x Objective Lens Dia.: 50mm / 2.0in Scope Length (angle): 185mm / 7.3in Weight: 673g / 23.7oz Appearance: Rubber covered Coating: Fully multi coated Style of Eyecup: Rotatable Zoom Eyepiece Focal Length: 21-7mm / 0.83-0.28in Objective Focal Length: 170mm / 6.69in Field of View: 25.8-13.2ft @ 100yds Field of View: 8.6-4.4m @ 100m Field of View: 5.0-2.5° Exit Pupil Dia.: 6.2-2.1mm Eye Relief: 20.0-16.7mm Relative Brightness: 38.4~4.4 Focusing System: Internal roof prism focusing system Close Focusing Distance: 7.26ft / 2.2m Accessory: Soft bag, tripod, manual and lens cleaning cloth.Magnification: 8-24x Objective Lens Dia.: 50mm / 2.0in Scope Length (angle): 185mm / 7.3in Weight: 673g / 23.7oz Appearance: Rubber covered Coating: Fully multi coated Style of Eyecup: Rotatable Zoom Eyepiece Focal Length: 21-7mm / 0.83-0.28in Objective Focal Length: 170mm / 6.69in Field of View: 25.8-13.2ft @ 100yds Field of View: 8.6-4.4m @ 100m Field of View: 5.0-2.5° Exit Pupil Dia.: 6.2-2.1mm Eye Relief: 20.0-16.7mm Relative Brightness: 38.4~4.4 Focusing System: Internal roof prism focusing system Close Focusing Distance: 7.26ft / 2.2m Accessory: Soft bag, tripod, manual and lens cleaning cloth.