Leica L

Yes
51.6
20.0

The L-Mount was introduced by Leica for a APS-C cameras in 2014 with the Leica T and, in 2015, extended to full-frame cameras, the Leica SL.

In 2018 Leica, Panasonic and Sigma formed the L-Alliance to produce on their own cameras and lenses with the L-mount for interoperability.

NameSensor formatSensor crop factor
SL
Full frame1.00
TL
APS-C1.5
1616