The Leupold VX-3 SF Rifle Scope delivers superior quality in a rugged and durable side-focus design. This rifle scope gives you the power and precision you need to succeed in a variety of shooting conditions, especially low-light conditions. This rifle scope is loaded with Leupold's VX-3 optics technology, and the Xtended Twilight Lens System to ensure crisp, clear sight images in nearly any type of lighting. This rifle scope series also features 2nd Generation waterproofing, cryogenically treated adjustments, and a twin bias spring erector system to help you make those tough shots, every time.DiamondCoat 22nd Generation Argon/Krypton WaterproofingGenerous EyeboxBlackened Lens EdgesTwin Bias Spring Erector System3:1 Zoom RatioWaterproof & Fogproof6061-T6 Aircraft Quality AluminumDurable Lens CoverXtended Twilight Lens System** BLEMISHED products may or may not include accessories