The Konus Eternity was developed with the superb precision of the First Focal Plane system. Features a red illuminated engraved ballistic PRS reticle with 11 intensities; side parallax wheel; accessible zero-stop technology; locking tactical turrets with Zero-Stop function and eye relief at all magnifications. Includes removable zoom lever sunshade two interchangeable caps for the elevation on turret- a cap for zeroing the riflescope in the fastest and easiest way and another special cap for enabling the zero-stop function whenever you want it.