Canon M3 has a
24.0MP APS-C (22.3 x 14.9 mm ) sized CMOS sensor and features DIGIC 6 processor. On the other hand, Sony A58 has a
20.0MP APS-C (23.2 x 15.4 m ) sized CMOS sensor .
Below you can see the M3 and A58 sensor size comparison.
Canon M3 and Sony A58 have almost the same sensor size, so neither of them has any significant advantage over the other in terms of providing control over depth of field when used with the same focal length and aperture.
DxOMark Sensor Scores
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It 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. Canon M3 and Sony A58 sensors have been tested by DxO and the results show that A58 has a better overall score of 74, 2 points higher compared to M3's score of 72.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon M3 |
72 |
22.8 bits |
11.8 Evs |
1169 ISO |
Sony A58 |
74 |
23.3 bits |
12.5 Evs |
753 ISO |