Vector Optics Paragon Binocular 10x42mm Roof Prism Black. 1 mm Field of View Linear: 331 ft at 100 yds Field of View Angle: 6.3 degrees Optical Coating: Fully Multi-Coated Binoculars Focus System: Center Focus Interpupillary Distance: 56 - 74 mm Diopter Adjustment Range: -4 - 4 dpt Weather Resistance: Wind Resistant Water Resistance Level: IPX-6 Length: 146 mm Weight: 23.8 oz Finish: Matte Fabric/Material: Polycarbonate Package Type: Box Additional Features: 5 Groups 7 Lens Magnification Type: Fixed Width: 54 mm Height: 128 mm Features of Vector Optics Paragon 10x42mm Roof Prism Binocular 5 Groups 7 Lens Phase Correction Coating Metal central focusing knob Metal diopter adjustment ring Package Contents: Vector Optics Paragon 10x42mm Roof Prism Binocular Strap Instruction Cleaning cloth Pouch and retail package Vector Optics SCBO-04: Paragon Binocular 10x42mm Roof Prism Black