The Firefield Siege 10x50R is a tactical monocular perfect for viewing targets at long range. With fully multi-coated optics and an IP67 waterproof rating, the Siege 10x50R remains safe from outdoor elements. Featuring internal focusing and a rangefinding reticle, this tactical monocular allows for clear viewing and quick target distance identification. The Firefield Siege Monocular takes advantage of its twist-up eyecup to ensure ease of use for individuals with eyeglasses. The roof prism optical system is made from high-density BAK-4 glass, which eliminates distortion around the edge of the exit pupil when viewing.
Body Material – Plastic/rubberClose Focus Distance – 13/4Diameter, Exit Pupil – 5.6Diameter, Objective Lens – 50mmEye relief (in/mm) – .6/15.4Eyecup system – Twist-upField of View (ft/1,000yds) – 367.21Field of View (m/1,000m) – 122Field of View, degree – 7Focusing Lens, Eye/Obj/Int – InternalFog Proof – YesHeight (in/mm) – 2.6/66IP Rating (waterproof) – IP67-submersible to 1m/3ftLength (in/mm) – 6.2/157Lens Coating – Fully multi-coatedMagnification – 10Operating temperature, F/C – 0 to 120 / -17 to 49Prism Coating, (yes/no) – YesRange, Diopter – 0Relative Brightness – 22.4Resolution – 2.3Twilight Index – 31.4Type of Prism (type) – Roof/BAK4Waterproof/Nitrogen-filled – YesWeight, oz – 15.2Width (in/mm) – 2.2/56
