Sony A390 vs Sony T900

Its time to take a more detailed look at the Sony A390 versus Sony T900, one is a Entry-Level DSLR and the other is a Ultracompact and they are both sold by Sony. The resolution of the A390 (14MP) and the T900 (12MP) is very similar but the A390 (APS-C) and T900 (1/2.3") come with totally different sensor size.

Photography Glossary

The A390 was released 18 months after the T900 making the cameras a generation away from one another. Both cameras offer different body type with the Sony A390 being a Compact SLR camera and the Sony T900 being a Ultracompact camera.

Before diving straight into a comprehensive comparison, below is a concise view of how the A390 scores versus the T900 in regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Sony Alpha DSLR-A390 and Sony Cyber-shot DSC-T900. The complete galleries are provided at Sony A390 Gallery and Sony T900 Gallery.

When you are intending to travel with your camera, you will have to factor in its weight and proportions. The Sony A390 provides outer dimensions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") and a weight of 549 grams (1.21 lbs) and the Sony T900 has measurements of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") accompanied by a weight of 143 grams (0.32 lbs).

Contrast the Sony A390 versus Sony T900 in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at that time. Below is the front view sizing comparison of the A390 vs the T900.

Taking into consideration dimensions and weight, the portability rating of the A390 and T900 is 66 and 96 respectively.

Quite often, it's hard to see the difference between sensor dimensions merely by going over technical specs. The pic below should provide you a far better sense of the sensor sizes in the A390 and T900.

As you can tell, each of the cameras enjoy different resolutions and different sensor dimensions. The A390 due to its larger sensor will make achieving shallow DOF easier and the Sony A390 will deliver greater detail as a result of its extra 2MP. Greater resolution will also help you crop photos far more aggressively. The more recent A390 is going to have a benefit in sensor technology.