The Nikon DC-Nikkor is a high-quality auto and manual lens for the photography enthusiast. This telephoto lens features an f/2.0 aperture, making it suitable for shooting in low light conditions. The Nikon camera lens has a fixed/prime focus length of 135 mm. The Nikon DC-Nikkor is a portrait lens and features the exclusive Nikon Defocus Control technology so photographs can be as sharp or deliberately soft as desired. The automatic focus operates quietly and allows manual control. Advanced users of this telephoto lens can even manipulate the degree of spherical aberration for an artistic touch in both background and foreground elements. The Nikon camera lens takes advantage of rear focusing to facilitate speedy AF operation. The pleasant heft of this 29 oz lens speaks to the quality build of the Nikon DC-Nikkor and its serious purpose. The lens is compatible with Nikon cameras and uses a Nikon F mount.