Both Olympus E-420 and Olympus E-450 have Four Thirds sized 10.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the E-420 and E-450 sensor size comparison.
Olympus E-420 and Olympus E-450 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
At Camera Decision, we also look at Dxo Mark sensors when available as we think it is a good indicator of image quality.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Olympus E-420 |
56 |
21.5 bits |
10.4 Evs |
527 ISO |
Olympus E-450 |
56 |
21.5 bits |
10.5 Evs |
512 ISO |