Sigma DP2s vs Sony A57

The following is a in-depth analysis of the Sigma DP2s vs Sony A57, one is a Large Sensor Compact and the latter is a Entry-Level DSLR by competitors Sigma and Sony. There exists a big gap among the resolutions of the DP2s (5MP) and A57 (16MP) but they enjoy the exact same sensor dimensions (APS-C).

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The DP2s was announced 3 years earlier than the A57 which is a fairly big gap as far as camera technology is concerned. Each of these cameras come with different body type with the Sigma DP2s being a Large Sensor Compact camera and the Sony A57 being a Compact SLR camera.

Before we go in to a detailed comparison, below is a quick summary of how the DP2s grades versus the A57 in the way of portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Sigma DP2s and Sony SLT-A57. The whole galleries are viewable at Sigma DP2s Gallery and Sony A57 Gallery.

For anyone who is intending to travel with your camera regularly, you'll have to consider its weight and measurements. The Sigma DP2s comes with physical measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs) whilst the Sony A57 has proportions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") and a weight of 618 grams (1.36 lbs).

See the Sigma DP2s vs Sony A57 in the all new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you have attached at the time. Underneath is the front view size comparison of the DP2s against the A57.

Factoring in dimensions and weight, the portability score of the DP2s and A57 is 86 and 64 respectively.

Sometimes, it can be difficult to visualise the difference in sensor dimensions just by going through specifications. The picture below will help offer you a much better sense of the sensor measurements in the DP2s and A57.

Plainly, both of the cameras posses the exact same sensor measurements albeit not the same resolution. You should expect the Sony A57 to produce greater detail with its extra 11MP. Higher resolution will also help you crop shots somewhat more aggressively. The more aged DP2s will be disadvantaged with regard to sensor tech.