Sigma DP2 vs Sony A390

The following is a detailed analysis of the Sigma DP2 vs Sony A390, one is a Large Sensor Compact and the latter is a Entry-Level DSLR by companies Sigma and Sony. There is a big difference among the sensor resolutions of the DP2 (5MP) and A390 (14MP) but they possess the exact same sensor sizing (APS-C).

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The DP2 was announced 10 months prior to the A390 so they are of a similar generation. Both of the cameras come with different body type with the Sigma DP2 being a Large Sensor Compact camera and the Sony A390 being a Compact SLR camera.

Before we go in to a in depth comparison, below is a brief introduction of how the DP2 grades vs the A390 with regards to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Sigma DP2 and Sony Alpha DSLR-A390. The whole galleries are viewable at Sigma DP2 Gallery and Sony A390 Gallery.

If you're aiming to travel with your camera frequently, you will need to think about its weight and size. The Sigma DP2 has got physical dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs) and the Sony A390 has specifications of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") accompanied by a weight of 549 grams (1.21 lbs).

Compare the Sigma DP2 vs Sony A390 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you use during that time. Underneath is the front view sizing comparison of the DP2 versus the A390.

Considering size and weight, the portability grade of the DP2 and A390 is 86 and 66 respectively.

Usually, it is very hard to picture the contrast in sensor dimensions just by seeing specifications. The picture underneath will help provide you a far better sense of the sensor dimensions in the DP2 and A390.

To sum up, both the cameras have got the exact same sensor measurements albeit different resolution. You should expect the Sony A390 to show greater detail with its extra 9 Megapixels. Higher resolution will also enable you to crop pictures much more aggressively. The more aged DP2 will be behind in sensor tech.