Galileo TS-821 8 x 21 mm Compact Binocular Grey Type: Binoculars Specifications: 8X Power 21 mm Objective Lenses Fully Coated Optics Linear Field of View: 368 Feet @ 1000 yards Angular Field of View: 7 degree Minimum Focus Distance: 12 Feet Exit Pupil Size: 2.6 mm Eye Relief: approx. 12 mm - 14 mm Interpupillary Distance: 38 mm to 75 mm Relative Brightness Index: 6.89 Twilight Factor: 12.96 Color: Grey Size/Dimensions: 1.00 x 4.50 x 4.00
