Features
  • IP67 waterproof rating
  • 50mm objective lens diameter
  • Twist-up eyecup
  • Tactical monocular
  • Rangefinding reticle
  • Fully multi-coated optics
  • BAK-4 glass prism
  • 10x magnification
  • Roof prism optical system
  • Internal focusing

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.

ECCN:
The ECCN, USML Category, or European Dual Use/Military designation, provided by Sellmark, is advisory. All advisory information reflects an interpretation of the U.S./European export laws and regulations, and is subject to change without notice. It is the obligation of the exporter requesting the advisory information from Sellmark to comply with all applicable export control laws and regulations. Sellmark makes no representation as to the accuracy or reliability of the export control classification information, and is in no way responsible for any damages or penalties suffered by any other party as a result of using or relying upon such information.

Please refer to the Export Compliance page for more information.

  • Body Material - Plastic/rubber
  • Close Focus Distance - 13/4
  • Diameter, Exit Pupil - 5.6
  • Diameter, Objective Lens - 50mm
  • Eye relief (in/mm) - .6/15.4
  • Eyecup system - Twist-up
  • Field of View (ft/1,000yds) - 367.21
  • Field of View (m/1,000m) - 122
  • Field of View, degree - 7
  • Focusing Lens, Eye/Obj/Int - Internal
  • Fog Proof - Yes
  • Height (in/mm) - 2.6/66
  • IP Rating (waterproof) - IP67-submersible to 1m/3ft
  • Length (in/mm) - 6.2/157
  • Lens Coating - Fully multi-coated
  • Magnification - 10
  • Operating temperature, F/C - 0 to 120 / -17 to 49
  • Prism Coating, (yes/no) - Yes
  • Range, Diopter - 0
  • Relative Brightness - 22.4
  • Resolution - 2.3
  • Twilight Index - 31.4
  • Type of Prism (type) - Roof/BAK4
  • Waterproof/Nitrogen-filled - Yes
  • Weight, oz - 15.2
  • Width (in/mm) - 2.2/56


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