A fast, computed high-performance lens for portraiture and photojournalism. Also excellent for quick snapshots when you want to take pictures inconspicuously from a distance. Its high speed permits relatively fast shutter speeds that prevent blurred images caused by camera motion. With an aspherical lens surface and APO-corrected quality, this lens sets standards in the category of short telephoto lenses. Built-in sliding lens hood.
6-bit lens identification code
Enhances functions of the digital Leica M
Ensures optimal image results
Provides Exif information to photographers
Determines the output of the pre-flash in flash mode.