"The Nikon 14-24mm f/2.8G ED-IF AF-S Zoom Nikkor is an fast ultrawide zoom lens for Nikon DSLR cameras. Designed for both FX and DX-format (full-frame and APS sensor) Nikon cameras, this award-winning lens is designed especially for professional photographers. It is rugged, has a consistent f/2.8 wide aperture, and is optically enhanced for the best photos possible using cameras such as the Nikon D810 and Nikon D7200. It has a quiet autofocus mechanism that's optimized for HD Video recording. What you should know about this lens: Optically optimized: The Nikon 14-24 is optimized for edge-to-edge sharpness thanks to two ED (Extra-low Dispersion) and PGM aspherical elements, which control chromatic aberrations and improve sharpness and contrast at all apertures. Nano Crystal coating reduces flare and contrast. Fantastic focus: The internal focusing mechanism can focus as close as 10.8 inches at 24mm. The Silent Wave Motor (SWM) is virtually silent, a benefit for videographers, and ultra-fast. Rugged build: The lens is sealed against dust and moisture|Fast, ultra wide-angle AF-S zoom lens optimized for edge-to-edge sharpness on both the Nikon FX (23.9 x 36mm) and DX format image sensors.|Enhanced optical formulas, engineered to produce exceptional sharpness, contrast and color, rendering outstanding image integrity.|Two ED (Extra-low Dispersion) elements and PGM aspherical lenses control chromatic aberrations, while enhancing sharpness and contrast, even at the widest aperture settings.|Exclusive Nano Crystal Coat further reduces ghosting and flare for even greater image clarity.|Nikon's Silent Wave Motor (SWM) enables ultra high-speed autofocusing with exceptional accuracy and powerful, super-quiet operation.|Internal Focus (IF) provides fast and quiet autofocusing without changing the length of the lens, retaining subject-working distance through the focus range.|Focus as close as 10.8 inches at the 24mm setting.|Rugged construction and professional-grade dust and moisture resistance.|M/A Focus Mode switch enables quick response to changing situations between Auto and Manual focus operation."