Sigma DP2 Quattro vs Sony A57

The following is a thorough comparison of the Sigma DP2 Quattro and Sony A57, one is a Large Sensor Compact and the latter is a Entry-Level DSLR by competitors Sigma and Sony. There exists a significant gap among the resolutions of the DP2 Quattro (20MP) and A57 (16MP) but they feature the exact same sensor measurements (APS-C).

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The DP2 Quattro was manufactured 18 months after the A57 which makes the cameras a generation away from one another. Both cameras come with different body type with the Sigma DP2 Quattro being a Large Sensor Compact camera and the Sony A57 being a Compact SLR camera.

Before getting straight into a in-depth comparison, below is a simple synopsis of how the DP2 Quattro matches up vs the A57 in terms of portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Sigma DP2 Quattro and Sony SLT-A57. The entire galleries are available at Sigma DP2 Quattro Gallery and Sony A57 Gallery.

For anybody who is looking to travel with your camera frequently, you need to factor its weight and dimensions. The Sigma DP2 Quattro provides physical measurements of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") having a weight of 395 grams (0.87 lbs) whilst the Sony A57 has dimensions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") having a weight of 618 grams (1.36 lbs).

Contrast the Sigma DP2 Quattro and Sony A57 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are using during that time. Following is the front view size comparison of the DP2 Quattro and the A57.

Factoring in dimensions and weight, the portability rating of the DP2 Quattro and A57 is 70 and 64 respectively.

Quite often, its difficult to envision the contrast in sensor dimensions only by researching a spec sheet. The picture below may give you a far better sense of the sensor measurements in the DP2 Quattro and A57.

As you can see, both cameras posses the exact same sensor measurements albeit not the same MP. You should expect the Sigma DP2 Quattro to render greater detail due to its extra 4MP. Higher resolution can also help you crop photographs somewhat more aggressively. The more recent DP2 Quattro is going to have a benefit with regard to sensor technology.