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.