Leica APO-Summicron-M 50mm f/2 ASPH.

This is a full-frame prime lens for Leica M, covering 50 mm and a maximum aperture of f/2. Released in 2012, it weighs 300 g. That combination suits portrait and low-light photography.

It is a standard prime lens designed for full-frame Leica M-mount rangefinder cameras. Renowned for its exceptional optical performance, this lens features an apochromatic design with 8 elements in 5 groups, effectively minimizing chromatic aberrations and delivering outstanding image sharpness and clarity. The bright f/2 maximum aperture allows for excellent low-light performance and depth-of-field control, making it suitable for a wide range of photographic applications, including portrait and street photography. Its compact and lightweight design ensures ease of handling, while the traditional aperture ring provides precise exposure control. Note that this lens does not include weather sealing, so care should be taken when shooting in adverse conditions.