Sigma DP2 Quattro vs Sony A55

Its time to look a bit more in depth at the Sigma DP2 Quattro and Sony A55, former is a Large Sensor Compact while the latter is a Entry-Level DSLR by competitors Sigma and Sony. There exists a considerable gap among the sensor resolutions of the DP2 Quattro (20MP) and A55 (16MP) but they possess the same exact sensor size (APS-C).

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The DP2 Quattro was released 3 years after the A55 which is a fairly large difference as far as camera technology is concerned. Both of the cameras offer different body type with the Sigma DP2 Quattro being a Large Sensor Compact camera and the Sony A55 being a Compact SLR camera.

Before delving through a comprehensive comparison, below is a quick overview of how the DP2 Quattro grades vs the A55 with respect to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Sigma DP2 Quattro & Sony SLT-A55. The complete galleries are available at Sigma DP2 Quattro Gallery & Sony A55 Gallery.

In case you're looking to carry around your camera, you need to factor its weight and proportions. The Sigma DP2 Quattro comes with outer dimensions of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") with a weight of 395 grams (0.87 lbs) and the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Analyze the Sigma DP2 Quattro and Sony A55 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change dependant on the lens you have during that time. Following is the front view physical size comparison of the DP2 Quattro compared to the A55.

Taking into account dimensions and weight, the portability grade of the DP2 Quattro and A55 is 70 and 67 respectively.

More often than not, it can be tough to imagine the difference in sensor sizes just by viewing specifications. The picture underneath might give you a more clear sense of the sensor sizes in the DP2 Quattro and A55.

Plainly, both of the cameras enjoy the same exact sensor sizing albeit different megapixels. You can expect the Sigma DP2 Quattro to provide you with more detail as a result of its extra 4 Megapixels. Higher resolution can also make it easier to crop pictures far more aggressively. The fresher DP2 Quattro provides an edge with regard to sensor tech.