TTArtisan has announced the details of its previously rumored compact and lightweight 28mm f/5.6 prime lens for Leica M-mount camera systems.

This manual prime lens is constructed of seven elements in four groups, including two high-refractive index elements and a single low-dispersion element. Other features include a 37mm front filter thread, a 1m minimum focusing distance, and a six-blade aperture diaphragm.