AEMS PRO X2 enhances the AEMS platform by improving accuracy through an advanced optical system that reduces parallax by 50%. AEMS X2 PRO also introduces a forward-facing light sensor creating a smarter AUTO Mode that improves dot contrast in dynamic lighting conditions while in AUTO Mode. AEMS X2 PRO also includes a new anti-reflective device and an all-new four post, lower 1/3 co-witness mount. AEMS X2 PRO remains backwards compatible with original AEMS mounts.