Nikon 85mm f/1.8D Auto Focus Nikkor Lens for Nikon Digital SLR Cameras - Fixed Lens not zoomable Portable medium telephoto lens that is ideal for indoor and outdoor portraits Rear Focusing system for fast and smooth optical performance Subtle blurring of background for beautifully natural and evocative portraits High-speed f1.8 aperture Compact and lightweight at 13.2 ounces