Canon 40D has a
10.0MP APS-C (22.2 x 14.8 mm ) sized CMOS sensor . On the other hand, Nikon 1 J3 has a
14.0MP 1-inch (13.2 x 8.8 mm ) sized CMOS sensor .
Below you can see the 40D and 1 J3 sensor size comparison.
As seen above, Canon 40D has a 2.8x Larger sensor area than Nikon 1 J3. 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 Canon 40D and Nikon 1 J3 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, 40D has scored 64, 12 points higher than 1 J3.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon 40D |
64 |
22.1 bits |
11.3 Evs |
703 ISO |
Nikon 1 J3 |
52 |
20.4 bits |
11.0 Evs |
420 ISO |