The nikon 105mm f14e ed af s lens is a fast aperture prime designed for fx format nikon digital slr bodies the only 105mm autofocus af lens on the market with an f14 maximum aperture this is an exciting addition to the nikkor range and is aimed at professionals who want to reach new levels of finesse in portraiture and fashion whether youre shooting in the studio or outside at dusk the lens all new optical construction delivers unrivalled edge to edge sharpness and beautiful bokeh