With the Bindon Aiming Concept, the Trijicon Acog TA11H scope allows you to aim your target well by using both your eyes. For eye-glass wearers, this Trijicon rifle scope maximizes eye-relief to give you a full viewing angle. The aircraft aluminum alloy housing of this Trijicon optical instrument makes it quite durable. You can use the Trijicon Acog TA11H scope in wet climate as it has up to 50 m waterproof construction. The patented Trijicon Fiber Optics used in this Trijicon rifle scope enables you to see clearly in the available lighting conditions by automatically adjusting the brightness and contrast. The anti-reflective multi-coated lens of this Trijicon optical instrument has light gathering capabilities that facilitate incredible clarity, keeping away distortion.