Canon 40D vs Sigma SD9

In this article, we will be contrasting the Canon 40D versus Sigma SD9, both Advanced DSLR cameras by brands Canon and Sigma. There is a crucial difference among the image resolutions of the 40D (10MP) and SD9 (3MP) but they come with the same exact sensor measurements (APS-C).

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The 40D was manufactured 4 years after the SD9 which is a fairly serious gap as far as camera tech is concerned. Both cameras offer the identical body type (Mid-size SLR).

Before we go through a comprehensive comparison, below is a concise overview of how the 40D grades against the SD9 in terms of portability, imaging, features and an overall score.

This is a preview of the gallery photos for Canon EOS 40D and Sigma SD9. The entire galleries are provided at Canon 40D Gallery and Sigma SD9 Gallery.

For anyone who is aiming to carry around your camera frequently, you should think about its weight and measurements. The Canon 40D has physical dimensions of 146mm x 108mm x 74mm (5.7" x 4.3" x 2.9") having a weight of 822 grams (1.81 lbs) while the Sigma SD9 has proportions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") and a weight of 950 grams (2.09 lbs).

Compare the Canon 40D versus Sigma SD9 in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you select at that time. Underneath is the front view sizing comparison of the 40D compared to the SD9.

Taking into account size and weight, the portability score of the 40D and SD9 is 57 and 54 respectively.

Generally, it's hard to picture the difference in sensor sizes purely by going through specifications. The pic here should give you a stronger sense of the sensor dimensions in the 40D and SD9.

Plainly, both the cameras offer the same exact sensor sizing albeit different MP. You should count on the Canon 40D to provide greater detail due to its extra 7MP. Higher resolution will also let you crop pictures a little more aggressively. The newer 40D provides an advantage in sensor tech.