Sigma DP2x vs Sony A390

Below is a extensive comparison of the Sigma DP2x versus Sony A390, former being a Large Sensor Compact while the other is a Entry-Level DSLR by brands Sigma and Sony. There exists a sizable gap among the resolutions of the DP2x (5MP) and A390 (14MP) but both cameras boast the same sensor sizing (APS-C).

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The DP2x was brought out 7 months later than the A390 and they are both of a similar age. Each of these cameras have different body design with the Sigma DP2x being a Large Sensor Compact camera and the Sony A390 being a Compact SLR camera.

Before diving into a detailed comparison, here is a quick overview of how the DP2x scores against the A390 in the way of portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Sigma DP2x & Sony Alpha DSLR-A390. The entire galleries are available at Sigma DP2x Gallery & Sony A390 Gallery.

For anybody who is intending to lug around your camera regularly, you'll have to think about its weight and volume. The Sigma DP2x has external dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") with a weight of 280 grams (0.62 lbs) whilst the Sony A390 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") having a weight of 549 grams (1.21 lbs).

Contrast the Sigma DP2x versus Sony A390 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you are using at the time. Following is a front view measurement comparison of the DP2x vs the A390.

Looking at dimensions and weight, the portability score of the DP2x and A390 is 86 and 66 respectively.

Normally, it's hard to picture the contrast in sensor measurements only by researching a spec sheet. The graphic here will provide you a clearer sense of the sensor sizes in the DP2x and A390.

As you can see, both of the cameras have the same sensor dimensions but different MP. You can anticipate the Sony A390 to result in extra detail having its extra 9MP. Greater resolution will make it easier to crop photos a bit more aggressively. The younger DP2x should have an edge with regard to sensor innovation.