Canon 40D vs Sigma SD1 Merrill

Let's take a deeper look at the Canon 40D and Sigma SD1 Merrill, both Advanced DSLR digital cameras by rivals Canon and Sigma. There is a crucial difference between the image resolutions of the 40D (10MP) and SD1 Merrill (15MP) but they come with the same exact sensor sizing (APS-C).

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The 40D was manufactured 5 years prior to the SD1 Merrill which is quite a serious gap as far as tech is concerned. Each of these cameras offer the identical body type (Mid-size SLR).

Before we go straight into a thorough comparison, below is a quick introduction of how the 40D matches up against the SD1 Merrill in regards to portability, imaging, features and an overall score.

This is a sample of the gallery pics for Canon EOS 40D and Sigma SD1 Merrill. The entire galleries are available at Canon 40D Gallery and Sigma SD1 Merrill Gallery.

If you're going to carry around your camera often, you will have to factor in its weight and dimensions. The Canon 40D has got outer dimensions of 146mm x 108mm x 74mm (5.7" x 4.3" x 2.9") and a weight of 822 grams (1.81 lbs) and the Sigma SD1 Merrill has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of 790 grams (1.74 lbs).

Check out the Canon 40D and Sigma SD1 Merrill in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at that time. Here is the front view scale comparison of the 40D vs the SD1 Merrill.

Using size and weight, the portability score of the 40D and SD1 Merrill is 57 and 57 respectively.

Oftentimes, it's tough to visualize the difference between sensor sizes purely by reading through specifications. The picture below will give you a stronger sense of the sensor dimensions in the 40D and SD1 Merrill.

To sum up, both the cameras offer the same exact sensor sizing but different megapixels. You should expect to see the Sigma SD1 Merrill to resolve more detail due to its extra 5MP. Greater resolution can also allow you to crop images a little more aggressively. The more aged 40D is going to be disadvantaged when it comes to sensor innovation.