It's easy to see that the VX-R is no ordinary riflescope. When you combine a state of the art illumination system with the exclusive FireDot reticle, you get the revolutionary VX-R. Offers the all-new FireDot Reticle System, a powered fiber optic reticle technology provides the perfect blend of daylight illumination and optimal light transmission and contrast for low light hunting situations. Proprietary Motion Sensor Technology (MST) activates the FireDot reticle whenever the rifle is moved. Precision finger click adjustments for windage and elevation (1/4 MOA) offer absolute repeatability and dependability over a lifetime of extreme use. A 30mm maintube tube offers an increased range of adjustment for windage and elevation over traditional 1" tubes. Twin bias spring erector assembly for extreme strength and precision. One Turn, extended focus range eyepiece lets you quickly and easily adapt to changing conditions. Blackened lens edges work to reduce unwanted glare and diffusion. Index Matched Lens System for exceptional brightness, color fidelity and contrast. All exterior lens surfaces are treated with DiamondCoat, an ion-assisted lens coating for optimized light management and unparalleled scratch resistance. The VX-R offers better optical clarity as a result of its lead-free glass lenses. Rugged, durable, waterproof construction and sleek styling for years of dependable use in the field.