"The Athlon Midas TSP1 Prism Scope delivers incredible versatility. This red dot scope is equipped with a 1x prism for a crisp, vivid image. The prism-based design allows for a more compact scope without sacrificing optical quality. The Athlon Midas TSP1 is nitrogen-filled, fogproof, and shockproof, allowing for reliable use in a wide range of environments. The reticle is etched directly on the glass to make sure you have a consistent point-of-aim at all times, plus it adjusts in 1 MOA increments. Whether you have the illumination on or off, the reticle is always visible. The Athlon Midas TSP1 Prism Scope is powered by a single AAA battery. Length: 2.7"". 1x prism delivers a crisp image and allows a compact build Nitrogen-filled, fogproof, and shockproof Reticle is etched directly on the glass 1 MOA adjustments Illumination for use in all conditions"