Nikon AF FX NIKKOR 20mm f/2.8D Fixed Zoom Lens with Auto Focus for Nikon DSLR Cameras Compact ultra-wide-angle lens construction Superb optical design for Architecture, wedding, and landscape photography 94-Degree (70-degree with Nikon DX Format) picture coverage with edge-to-edge sharpness Close range correction for distortion-free pictures as close as 0.85 feet Nikon super integrated coating for minimized flare and ghost, providing good color balance