Nikon ED50 13-40X Eyepiece 7467

Nikon Fieldscope 13-40x/20-60x/25-75x Zoom Eyepiece For 50mm / 60mm / 82mm Fieldscopes. Nikon 13-30x/20-60x/25-75x Fieldscope Zoom Eyepieces also incorporate sliding eyepieces to accommodate eyeglass wearers and are compatible with the full line of Nikon Fieldscopes. Nikon 7467 Fieldscope Eyepiece is a great eyepiece of the line with 20-60x zoom (25-75x zoom for 78mm Field-scopes and 13-40x for 50mm Fieldscopes). Each Nikon Fieldscope 13-30x / 20-60x / 25-75x Eyepiece is covered by Nikon Sport Optics's exclusive 25-year limited warranty as well as Nikon Sport Optics's No Fault Repair/Replacement Policy. Specifications for Nikon Zoom Eyepiece 13-40x for 50mm 20-60x for 60mm and 25-75x for 82mm Field-scope Spotting Scopes: Magnification: 13-40x with 50mm scopes 20-60x with 60mm scopes 25-75x with 82mm scopes Angle of View: 3.0 with 50mm scopes at 13x only (unspecified otherwise) 2.0 with 60mm scopes at 20x only (unspecified otherwise) 1.6 with 78 & 82mm scopes at 25x only (unspecified otherwise) Field-of-View (at 1000 Yds): 157' with 50mm scopes at 13x only (unspecified otherwise) 105' (35 m at 1000 m) with 60mm scopes at 20x only (unspecified otherwise) 84' (28 m at 1000 m) with 78 & 82mm scopes at 25x only (unspecified otherwise) Exit Pupil Diameter: 3.8 at 13x with 50mm scopes 3.0 at 20x with 60mm scopes 3.3 at 25x with 82mm scopes Eye Relief: 14mm Relative Brightness: 14.4 at 13x with 60mm scopes 9 at 20x with 78mm scopes 10.9 at 25x with 82mm scopes Twilight Factor: 34.6-60.0 with 60mm scopes 45.3-78.4 with 82mm scopes Weatherproofing: Waterproof & fogproof Dimensions: 3.1 x 1.9" (79 x 48mm) LxW Weight: 0.33 lb (150 g) Features of Nikon Fieldscope Zoom Eyepiece 13-40x for 50mm 20-60x for 60mm and 25-75x for 82mm Fieldscope Spotting Scopes: Waterproof & fogproof design All Nikon Fieldscope eyepieces are fully multicoated upon every air-to-glass surface Package Contents: Nikon Fieldscope Zoom Eyepiece 7467 13-30x for 50mm/20-60x for 60mm/25-75x for 82mm Spotting Scopes