FOCUS AND ZOOM: Internal focusing and zooming allows for more usability and functionality VIVITAR 72MM FILTER: Ultra Violet filters minimize the bluish cast sometimes found under daylight conditions. SIGMA 18-35MM LENS: The 18-35mm is ideal for landscapes, portraits, still life, snap shots, casual, and close-ups SIGMA LENS: Impressively bright constant f/1.8 maximum aperture is well-suited for working in low-light conditions THIS BUNDLE FROM TEDS ELECTRONICS INCLUDES: Sigma 18-35mm f/1.8 DC HSM Art Lens for Nikon F, 72MM +1 +2 +4 +10 Close Up Macro Diopter Filter Set, 72mm Rotating Graduate 6PC Filter, 72mm UV CPL ND8 Filter Kit, Lens Cleaning Pen, Dust Blower, Vivitar 3pc Cleaning Kit