Firefield 8x32 Siege Monocular (Black)

BH #FI8X32SM • MFR #FF12003
Firefield
Firefield 8x32 Siege Monocular (Black)
Key Features
  • Compact BAK4 Roof Prisms
  • Fully Multi-Coated Optics
  • Wide 60° Apparent Angle of View
  • IP55-Rated, Dust and Water Resistant
Firefield's black 8x32 Siege Monocular is designed as a highly portable field optic for mid-range use even as the light fades. The combination of magnification and objective lens diameter ensures a wide field of view and exit pupil, with enhanced light gathering ability versus smaller comparable models. Added to these features are anti-reflection fully multi-coated optics and BAK4 roof prisms which maximize light transmission through the optical path, producing bright and clear high-contrast images with accurate color rendition.
Special Order
Expected availability: 7-10 business days
$29.97
Sales and export of this item to South Korea are prohibited.
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Firefield Siege Overview

  • 1Description
  • 2Optical Performance
  • 3Use and Handling
  • 4Construction Details

Firefield's black 8x32 Siege Monocular is designed as a highly portable field optic for mid-range use even as the light fades. The combination of magnification and objective lens diameter ensures a wide field of view and exit pupil, with enhanced light gathering ability versus smaller comparable models. Added to these features are anti-reflection fully multi-coated optics and BAK4 roof prisms which maximize light transmission through the optical path, producing bright and clear high-contrast images with accurate color rendition.

The housing is made of a lightweight and durable plastic that is wrapped in a protective black rubber armor. Accents on the armor promote a more secure grip, helping to increase its handling in cold and wet weather. The optical tube is O-ring sealed to an IP55-rating making it water-resistant to driving rain and snow, as well as dust-resistant. Construction details such as a twist-up eyecup and a standard 1/4"-20 tripod mount add to the comfort and usability of the monocular.

Measuring less than 5.5" long and weighing just half a pound, the Siege combines optical and design features that result in an easy to carry and use optic that presents an immersive observational experience from dawn to dusk.

Optical Performance

  • Moderate 8x magnification brings subjects in close without sacrificing field of view or exit pupil for more comfortable viewing while mitigating the appearance of visible hand shake
  • Moderate 32mm objective lens diameter draws in more light than compact models while maintaining a slim form factor for easier handling and carrying
  • Compact BAK4 roof prisms deliver a round exit pupil, and a crisp and clear image with limited edge distortion
  • Anti-reflection fully multi-coated optics produce views with improved color rendition, contrast, and clarity
  • Wide 60° apparent angle of view
  • 393-foot field of view at 1000 yards

Use and Handling

  • Large textured focusing collar is easy to manipulate, even when wearing gloves
  • Convenient twist-up rubber eyecups for comfortable use with or without eyewear
  • Standard 1/4"-20 tripod mount allows for hands-free use to reduce fatigue and hand shake that can interfere with viewings
  • 13mm eye relief helps to reduce eye strain and improve viewing comfort
  • Comfortable 4mm exit pupil will completely cover most pupils as they open and dilate as light fades

Construction Details

  • Lightweight and impact-resistant plastic chassis
  • Textured black rubber armor protects against impacts while providing a slip-resistant grip
  • Integrated accents add grip strength and stability for sure handling
  • IP55-rated, dustproof, and water-resistant to driving rain and snow
  • Tethered objective lens cover allows for easy use without the threat of loss
  • Broad 0 to 120°F (-17 to 49°C) operating temperature
  • Compact 4.9x1.8" form factor
  • Light 8-ounce weight
UPC: 812495022593

Firefield Siege Specs

Prism TypeRoof (BAK4)
Performance
Magnification8x
Objective Lens Diameter32 mm
Angle of View7.5° (Actual)
Field of View393' @ 1000 yd / 131 m @ 1000 m
Minimum Focus Distance16' / 4.9 m
Exit Pupil Diameter4 mm
Eye Relief13 mm
Diopter AdjustmentNone
Features
FogproofNo
Water ResistanceWater Resistant
General
Tripod Mounting Thread1/4"-20 Female
Dimensions4.9 x 1.8" / 12.5 x 4.6 cm
Weight8 oz / 226.8 g
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