Sigma DP2 vs Sony A57

The following is a detailed analysis of the Sigma DP2 vs Sony A57, former is a Large Sensor Compact while the latter is a Entry-Level DSLR by competitors Sigma and Sony. There is a considerable difference among the sensor resolutions of the DP2 (5MP) and A57 (16MP) but both cameras have the same sensor sizes (APS-C).

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The DP2 was released 4 years earlier than the A57 which is a fairly large difference as far as camera tech is concerned. Each of the cameras have different body design with the Sigma DP2 being a Large Sensor Compact camera and the Sony A57 being a Compact SLR camera.

Before getting right into a thorough comparison, here is a short summation of how the DP2 scores vs the A57 with regards to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Sigma DP2 & Sony SLT-A57. The complete galleries are available at Sigma DP2 Gallery & Sony A57 Gallery.

If you are going to travel with your camera often, you'll have to take into account its weight and dimensions. The Sigma DP2 has got physical measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") having a weight of 280 grams (0.62 lbs) while the Sony A57 has dimensions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") accompanied by a weight of 618 grams (1.36 lbs).

Check the Sigma DP2 vs Sony A57 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change depending on the lens you are employing during that time. Below is a front view measurement comparison of the DP2 versus the A57.

Using size and weight, the portability rating of the DP2 and A57 is 86 and 64 respectively.

In many cases, it is very difficult to picture the gap in sensor dimensions purely by researching specifications. The pic here will give you a clearer sense of the sensor measurements in the DP2 and A57.

To sum up, the 2 cameras have the same sensor dimensions albeit different MP. You can expect the Sony A57 to provide you with more detail as a result of its extra 11 Megapixels. Higher resolution will help you crop shots a bit more aggressively. The more aged DP2 will be disadvantaged when it comes to sensor innovation.