Praised for its reliability and overall image quality, this is a long-time favorite lens of passionate professionals. With a fast fixed aperture of f/2.8 across a 24–70mm zoom range, this lens provides both fine resolution and natural representation. A Nano Crystal Coat helps effectively reduce ghost and flare effects under harsh lighting for greater image clarity. Its Internal Focus (IF) provides fast and quiet auto focusing without changing the length of the lens, so you can retain subject to working distance through the entire focus range. The AF-S NIKKOR 24-70mm f/2.8G ED delivers fast, wide-angle to medium telephoto zoom capabilty and is optimized for edge-to-edge sharpness on both Nikon FX and DX format D-SLRs. Its fast, fixed f/2.8 aperture enables exceptional low-light performance and consistent exposure across the entire zoom range. Enhanced optical formulas produce exceptional sharpness, contrast and color, rendering outstanding image and video integrity. For those who demand reliable performance in challenging environments, the AF-S NIKKOR 24–70mm f/2.8G ED delivers. Its rugged construction includes professional-grade dust and moisture resistance. Three Extra-low Dispersion (ED) glass elements and Precision Glass Mold (PGM) Aspherical lens elements control chromatic aberrations while enhancing sharpness and contrast, even at the widest aperture settings; and Nikon’s Silent Wave Motor (SWM) enables ultra high-speed auto focusing with pinpoint accuracy and super-quiet operation.