Canon 1Ds has a
11.0MP Full frame (35.8 x 23.8 mm ) sized CMOS sensor . On the other hand, Canon 1D MIII has a
10.0MP APS-H (28.7 x 18.7 mm ) sized CMOS sensor .
Below you can see the 1Ds and 1D MIII sensor size comparison.
As seen above, Canon 1Ds has a 1.6x Larger sensor area than Canon 1D MIII. 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
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 1Ds and Canon 1D MIII sensors have been tested by DxO and the results show that 1D MIII has a better overall score of 71, 8 points higher compared to 1Ds's score of 63.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon 1Ds |
63 |
21.8 bits |
11.0 Evs |
954 ISO |
Canon 1D MIII |
71 |
22.7 bits |
11.7 Evs |
1078 ISO |