The U.S. Optics Field Observation Scope was created under USMC Contract and is held to the same quality standard that U.S.O. has become known for. The FOS allows operators to clearly view targets at extreme distance and effectively range those targets at any magnification with the first focal plane MDMOA reticle. The generous eye relief allows for viewing under the most stressful situations and can be used while wearing gas masks, safety goggles or nuclear/biological disaster suits. With the Type III anodized matte finish on the 6061-T6 scope body, it’s safe to say it will be able to handle any abuse you throw its way. The FOS also features an easy grip adjustable objective and readily accepts optional ARD's
and night vision mount (not included).
Reticle Focal Plane:
Field of View @ 100 yds:
8.50' @ 15x
2.66' @ 40x
Minimum Focus Distance:
Flip-up objective and ocular lens covers