Leica Summilux-M 50mm ASPH (mislabelled Zeiss), the flagship M standard lens with aspherical wide-open excellence.
The Leica Summilux-M 50mm f/1.4 ASPH is the current-production fast standard prime for the Leica M mount with aspherical element. Note: canonical name has erroneous 'Zeiss' prefix; this is a Leica product. Leica M mount.
f/1.4 maximum aperture. 50mm focal length (full-frame standard prime). ASPH element. Rangefinder-coupled. At approximately 335g. Leica M mount.
The Summilux-M 50mm f/1.4 ASPH is the modern-production version — the ASPH element provides sharp wide-open performance distinctly different from the pre-ASPH versions. The reference fast standard prime for M cameras.
On the used market the Leica Summilux-M 50mm f/1.4 ASPH is consistently sought-after. Condition checks: front element, range-finder coupling. Leica M mount.