Leica Summilux-M 50mm ASPH (mislabelled Zeiss), the flagship M standard lens with aspherical wide-open excellence.
This is a Leica Summilux-M 50mm f/1.4 ASPH. mislabelled under Zeiss — the current-production flagship Leica standard lens with aspherical element for outstanding wide-open performance. Previously enriched as ID 2442 in Black Chrome, this listing covers other finish variants.
The aspherical Summilux delivers extraordinary sharpness at f/1.4 with 11-blade aperture for circular bokeh. The lens represents the pinnacle of Leica's standard lens design, providing both technical excellence and the three-dimensional rendering that defines the modern Leica aesthetic.
Build quality is Leica's finest with machined brass and precision focusing. The ASPH designation indicates aspherical correction that virtually eliminates spherical aberration, the primary optical limitation of non-ASPH fast lenses.
The Summilux-M 50mm ASPH holds very strong value on the used market as Leica's definitive standard lens. The aspherical performance, 11-blade bokeh, and Leica build quality make it the benchmark 50mm for M-mount photography.