The Leupold Mark 4HD 1-4x24mm Riflescope offers a 4:1 zoom ratio striking a balance between weight and versatility. The Professional-Grade Optical System delivers exceptional light transmission, glare reduction, and image clarity, even in challenging lighting conditions. For illuminated reticles, the electronic reticle flashes when the scope isn't level, enhancing long-range accuracy, while the ZeroLock adjustment dials prevent accidental adjustments, maintaining your zero and ensuring consistent accuracy. Built to withstand the harshest environments, the Leupold Mark 4HD 1-4x24mm Riflescope is waterproof, fogproof, and shockproof, guaranteeing reliable performance in extreme temperatures and conditions.