Olympus E-M5 II has a
16.0MP Four Thirds (17.3 x 13 mm ) sized MOS sensor and features TruePic VII processor. On the other hand, Sony A500 has a
12.0MP APS-C (23.5 x 15.6 mm ) sized CMOS sensor and features Bionz processor.
Below you can see the E-M5 Mark II and A500 sensor size comparison.
As seen above, Sony A500 has a 1.6x Larger sensor area than Olympus E-M5 II. 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 Olympus E-M5 II and Sony A500 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, E-M5 Mark II has scored 73, 9 points higher than A500.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Olympus E-M5 II |
73 |
23.0 bits |
12.4 Evs |
896 ISO |
Sony A500 |
64 |
21.8 bits |
11.6 Evs |
772 ISO |