The Nikon AF DC Nikkor 135mm f/2.0D Autofocus Lens features unique Nikon Defocus-image Control technology, which allows you to control background and foreground blur for striking portraits. Autofocus capability. Large maximum aperture for shooting in dim light. Accepts 72mm filters. Built-in lens hood. This high-performance, medium telephoto features Defocus Image Control allowing for control of the degree of focus in the foreground or background.Features: Portrait lens with Nikon's exclusive Defocus Control. Change the appearance of out of focus elements (circles of confusion) so that they appear larger or smaller Rear focusing for fast AF operation Note! AF not supported by D40 and D60 cameras.