Sigma DP2 vs Sony A55

Here, we will be reviewing the Sigma DP2 versus Sony A55, one is a Large Sensor Compact and the latter is a Entry-Level DSLR by companies Sigma and Sony. There is a sizeable difference among the image resolutions of the DP2 (5MP) and A55 (16MP) but both cameras provide the identical sensor sizes (APS-C).

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The DP2 was manufactured 11 months before the A55 and they are of a similar generation. Both the cameras feature different body design with the Sigma DP2 being a Large Sensor Compact camera and the Sony A55 being a Compact SLR camera.

Before diving into a thorough comparison, here is a simple overview of how the DP2 grades vs the A55 with respect to portability, imaging, features and an overall score.

Following is a preview of the gallery images for Sigma DP2 and Sony SLT-A55. The entire galleries are provided at Sigma DP2 Gallery and Sony A55 Gallery.

For anybody who is intending to carry around your camera regularly, you'll have to consider its weight and proportions. The Sigma DP2 enjoys exterior dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") and a weight of 280 grams (0.62 lbs) while the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Check the Sigma DP2 versus Sony A55 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you choose during that time. Here is a front view dimensions comparison of the DP2 versus the A55.

Taking into consideration size and weight, the portability grade of the DP2 and A55 is 86 and 67 respectively.

Usually, its tough to visualise the gap in sensor sizes merely by viewing a spec sheet. The picture here should offer you a far better sense of the sensor sizes in the DP2 and A55.

Clearly, both the cameras come with the identical sensor size albeit not the same megapixels. You should expect the Sony A55 to render greater detail due to its extra 11MP. Higher resolution will allow you to crop pictures a good deal more aggressively. The more aged DP2 will be behind in sensor innovation.