1.5-5X32IR Premium Crossbow Scope. This upgraded short crossbow optic is precision CNC machined from solid aluminum with a heavy-duty 30mm monolithic tube, compatible with standard mounting rails. It features a multi-coated 32mm objective lens for bright crisp sight images, paired with glass etched reticle with adjustable red & green dual illumination to suit all light conditions. Fine-tune windage and elevation via textured lockable turrets for consistent zero retention. Fully nitrogen-sealed all-weather construction delivers reliable shockproof, waterproof and fogproof performance for crossbow hunting and outdoor precision shooting.