Sig Sauer Whiskey 3 3-9x40 SFP Standard Quadplex Riflescope 3x optical zoom offered in second focal plane (SFP) with multiple reticle options Low dispersion (LD) glass provides industry leading optical clarity for any situation European style eyepiece for a smooth, fast, and precise reticle adjustment Dependable waterproof (IPX-7 rated for complete immersion up to 1 meter) and fog-proof performance