Redfield Illuminator Lens System with vapor deposition and dielectric coatings deliver exceptional light transmission in the low light at dawn and dusk when game is most active. The Accu-Range reticle comes with precise aiming points that work with most popular hunting loads.The Rapid Target Acquisition eyepiece rapidly targets your mark. The Revolution scope is waterproof and fog proof and features precision, stainless steel finger click adjustments for quick and accurate zeroing in on your target even at long range.