Canon 7D vs Sigma SD15

The following is a thorough review of the Canon 7D vs Sigma SD15, both Advanced DSLR cameras by rivals Canon and Sigma. There is a big difference among the sensor resolutions of the 7D (18MP) and SD15 (5MP) but they enjoy the same exact sensor measurements (APS-C).

Photography Glossary

The 7D was unveiled 3 months prior to the SD15 so they are of a similar generation. Both of the cameras offer the identical body type (Mid-size SLR).

Before diving straight into a full comparison, below is a quick view of how the 7D scores versus the SD15 with regards to portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Canon EOS 7D and Sigma SD15. The full galleries are available at Canon 7D Gallery and Sigma SD15 Gallery.

In case you're going to travel with your camera, you are going to need to think about its weight and size. The Canon 7D provides physical measurements of 148mm x 111mm x 74mm (5.8" x 4.4" x 2.9") along with a weight of 860 grams (1.90 lbs) and the Sigma SD15 has specifications of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") with a weight of 750 grams (1.65 lbs).

Look at the Canon 7D vs Sigma SD15 in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached during that time. Following is the front view physical size comparison of the 7D compared to the SD15.

Using size and weight, the portability score of the 7D and SD15 is 56 and 59 respectively.

Generally, it's hard to see the contrast in sensor dimensions purely by seeing technical specs. The image here might give you a more clear sense of the sensor sizing in the 7D and SD15.

As you have seen, the two cameras enjoy the same exact sensor sizing but not the same resolution. You should anticipate the Canon 7D to show extra detail having an extra 13 Megapixels. Greater resolution will also make it easier to crop pics far more aggressively.