The internal auto focus, the overall length of the lens remains unchanged at focusing.
It makes shooting in very low light as possible, thus providing a seemingly limitless employability. The high brightness of F1.4 offers the opportunity to be creative with depth and gives a very nice bokeh.
Thanks to 12 lens elements, including 2 aspheric and in 8 groups is an excellent sharpness and color reproduction at any distance and guaranteed at every aperture. for the Leica T is designed with the goal to deliver the best image quality in the APS-C class.