The Vortex Solo Recon/Tactical (RT) 8x36mm monocular features an MRAD-based ranging reticle for accurate range estimation. This powerful monocular provides bright images in a compact, lightweight and easy-to-handle unit that is both waterproof and fogproof. With an integrated utility clip, it attaches to packs, belts or other flat-edged surfaces for quick retrieval. As are the case with the other Vortex Solo monocular models, the lenses are fully multi-coated with non-reflective coatings added. It is also o-ring sealed and nitrogen purged to make it fog and water proof. If you are a tactical or long-range shooter who wants a light weight, compact monocular the Vortex Solo R/T 8x36mm monocular is a must buy for your gear.