Cassini C-103060 10-30x60mm Zoom Binocular Grey Type: Binoculars Accessory: Strap Specifications: 10x to 30x Power Zoom Fully Coated Optics Linear Field of View: 180'(10x) @ 1000yds Angular Field of View: 3.4°(10x) Minimum Focus Distance: 40' at 10x Exit Pupil Size: 6mm(10x) to 2mm(30x) Eye Relief: approx. 8mm - 10mm Interpupillary Distance: 57mm to 73mm Relative Brightness Index: 36(10x) to 4(30x) Twilight Factor: 24.49(10x) to 42.43(30x) Color: Grey Objective Lens: 60mm Size/Dimensions: 9.90 x 7.90 x 3.00 (H x W x D)
