The Firefield Emissary 10x32 binoculars feature a robust K9 roof prism and 32mm objective lens, allowing for clear viewing at 10x magnification. The Emissary’s multi-coated optics, rubber armored housing, and IP55 water resistant rating makes the binoculars resilient and capable of withstanding outdoor elements and rough handling. The fold down eyecups allow for trouble-free viewing while wearing eyeglasses. The Firefield Emissary 10x32 binoculars take advantage of an internal focusing lens, making them easy to use for viewers. Features Lightweight 10x magnification Rubber armored Weatherproof Multi-coated optics Specifications Body Material ABS Plastic Close Focus Distance 18.4/5.5 Diopter Range 4 to 4 Diopter System location eyepiece Exit Pupil Diameter 3.2 Eye relief in/mm .47/12 Eyecup system Fold down Field of View ft/1,000yds 261 Field of View m/1,000m 87 Field of View, degree 5 Focus System Cent. / Ind. / Fix Central Focusing Lens Eye. / Obj. / Int. Internal Fog Proof No Height 1.6 Interpupillary Distance 2.16 2.75 IP Rating waterproof IP55- water resistant Length 5.4 Lens Coating Multi-coated Magnification 10 Objective Lens Diameter 32mm Operating Temp,?F/?C 0 to 120 / 17 to 49 Prism Coating, yes/no No Relative Brightness 10.25 Resolution 13.5 Twilight Index 17.88 Type of Prism type K9 roof Waterproof/Nitrogen-filled No Weight oz 11.9 Width 4.4 SOLD QUANTITY 1