The ATN Aries Z4-2 is the latest addition to the ATN pro-oriented, dedicated Night Vision Weapon Sight line. Dubbed "revolutionary" by experts, a prismatic "drop-down" design guides overall performance to new heights - improving light gathering by as much as 10% and enhancing the shooter's comfort by allowing closer to the barrel line of sight and cheek rest. Additional benefits include: always-on-the-center "Red on Green" illuminated Mil-Dot reticle, interchangeable Bullet Drop Compensator for five most common calibers, titanium mounting system, positive 1/8 MOA per click windage and elevation adjustment with standard target turrets, rails for add-on lights&lasers and back-up iron Sights making the ATN Aries Z4-2 unrivaled to anything on the Commercial or Military market today. Built-in monorail with Titanium inserts, and thumb-screws for tool-less mounting on NATO standard Picatinny Rail or quality Weaver bases, Water-Resistant, Fogproof and Nitrogen-Purged. Long-Range 450 mW detachable, adjustable in two axes and focusable IR Illuminator, 1/8 MOA per click, with 700 clicks for windage and elevation, 7 revolutions with 100 clicks per revolution. Non-inverting Gen. 2 (up to 54 lp/mm and up to 21 SNR) available as the ATN Aries Z4-2. Prismatic optical design with highest grade heavy glass and all elements and surfaces are multi-coated. Optics are developed with latest optical software and manufactured with topmost tolerances. Reticle is Army Mil-Dot edged prismatic/optical glass sandwich and Illuminated with adjustable brightness and standard side locking mechanism.