Specially formulated for digital capture, the 800mm f/2.8 "D" is the latest in precision design technology. With an angle of view of 47 degrees, this lens is equivalent to a 50mm lens in 35mm format. This is the standard lens for the format, with a field of view approximating natural human sight. It is the most general-purpose lens in the series, and works well in various applications for close or distant subjects. Packing high performance into a compact, lightweight configuration, it is well corrected for distortion, producing a natural, well-balanced image.