Nikon Buckmasters II, 4-12x40mm, BDC, Riflescope Extremely bright sight picture: Allows for high-resolution images even when hunting in the least desirable conditions. Fully multicoated lenses offer increased light transmission for dawn to dusk brightness. Patented BDC reticle. Versatile magnification range offers the flexibility needed for any type of hunting situation, from heavy timber to the open prairies. Waterproof, fogproof and shockproof.