Solo Tactical R/T 8x36 Monocular with Reticle Focus

Built to be carried as a standard piece of equipment and close-at-hand, the Solo R/T Tactical Monocular gives a closer look when needed.
Features the Vortex R/T Ranging Reticle with reticle focus for accurate range estimation and calling shots.
And with the integral utility clip, it attaches to webbing or other flat-edged surfaces for quick external access. Fully multi-coated glass surfaces deliver bright images in a compact, lightweight, and easy to handle unit. Waterproof, fogproof and shockproof.

US Patent 7,877,886