Both Panasonic LX5 and Panasonic FZ28 have 10.0 MP resolution sensors but Panasonic LX5's sensor is 1/1.63-inch (8.07 x 5.56 mm ) and Panasonic FZ28's sensor is 1/2.3-inch (6.08 x 4.56 mm ).
Since Panasonic LX5'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 Panasonic FZ28.
Below you can see the LX5 and FZ28 sensor size comparison.
As seen above, Panasonic LX5 has a 1.6x Larger sensor area than Panasonic FZ28. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.
DxOMark Sensor Scores
Both Panasonic LX5 and Panasonic FZ28 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, LX5 has scored 41, 14 points higher than FZ28.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Panasonic LX5 |
41 |
19.6 bits |
10.8 Evs |
132 ISO |
Panasonic FZ28 |
27 |
17.9 bits |
10.1 Evs |
79 ISO |