Both Leica SL and Leica M Typ 240 have 24.0 MP resolution sensors but Leica SL's sensor is Full frame (36 x 24 mm ) and Leica M Typ 240's sensor is Full frame (36 x 24 mm ).
Since Leica M Typ 240's has a larger sensor area with the same resolution, this means that it also has a larger pixel area hence better light collecting capacity for a given aperture compared to Leica SL.
Another difference between these two cameras is that Leica SL's sensor lacks anti-alias (Low-Pass) filter. Removing anti-alias filter increases the sharpness and level of detail but at the same time, it increases the chance of moiré occurring in certain scenes.
Below you can see the SL and M Typ 240 sensor size comparison.
Leica SL and Leica M Typ 240 have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.
DxOMark Sensor Scores
Both Leica SL and Leica M Typ 240 sensors have been tested by DxoMark. DxoMark scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. Of the two cameras that we are comparing, SL has scored 88, 4 points higher than M Typ 240.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Leica SL |
88 |
25.0 bits |
13.4 Evs |
1821 ISO |
Leica M Typ 240 |
84 |
24.0 bits |
13.3 Evs |
1860 ISO |