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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.

FEATURES

• 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

• IP67 waterproof rating

SPECIFICATIONS

• 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