Sigma DP2 Quattro vs Sony A900

Here, we will be evaluating the Sigma DP2 Quattro vs Sony A900, former being a Large Sensor Compact while the latter is a Advanced DSLR by competitors Sigma and Sony. The resolution of the DP2 Quattro (20MP) and the A900 (25MP) is pretty well matched but the DP2 Quattro (APS-C) and A900 (Full frame) have different sensor measurements.

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The DP2 Quattro was introduced 5 years later than the A900 and that is quite a serious difference as far as tech is concerned. Both of these cameras feature different body design with the Sigma DP2 Quattro being a Large Sensor Compact camera and the Sony A900 being a Mid-size SLR camera.

Before diving right into a step-by-step comparison, here is a concise introduction of how the DP2 Quattro scores against the A900 in the way of portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Sigma DP2 Quattro & Sony Alpha DSLR-A900. The whole galleries are available at Sigma DP2 Quattro Gallery & Sony A900 Gallery.

When you are intending to lug around your camera, you will need to take into account its weight and proportions. The Sigma DP2 Quattro has physical measurements of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") and a weight of 395 grams (0.87 lbs) while the Sony A900 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") having a weight of 895 grams (1.97 lbs).

Check out the Sigma DP2 Quattro vs Sony A900 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary based on the lens you are employing at the time. The following is a front view scale comparison of the DP2 Quattro compared to the A900.

Taking into account size and weight, the portability grade of the DP2 Quattro and A900 is 70 and 54 respectively.

Often, it can be difficult to picture the difference between sensor measurements just by reading through specs. The photograph here will help offer you a clearer sense of the sensor sizing in the DP2 Quattro and A900.

All in all, each of these cameras come with different resolutions and different sensor measurements. The DP2 Quattro using its tinier sensor is going to make shooting shallower DOF trickier and the Sony A900 will give greater detail using its extra 5 Megapixels. Higher resolution can also make it easier to crop shots a good deal more aggressively. The fresher DP2 Quattro should have an edge when it comes to sensor innovation.