Sony A100 vs Sony T900

Let's take a more detailed look at the Sony A100 and Sony T900, former is a Entry-Level DSLR while the other is a Ultracompact and they are both produced by Sony. The resolution of the A100 (10MP) and the T900 (12MP) is fairly similar but the A100 (APS-C) and T900 (1/2.3") offer totally different sensor measurements.

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The A100 was launched 3 years prior to the T900 which is quite a large difference as far as tech is concerned. Each of the cameras have different body design with the Sony A100 being a Compact SLR camera and the Sony T900 being a Ultracompact camera.

Before diving right into a full comparison, here is a brief highlight of how the A100 grades versus the T900 with regards to portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Sony Alpha DSLR-A100 & Sony Cyber-shot DSC-T900. The complete galleries are available at Sony A100 Gallery & Sony T900 Gallery.

For anybody who is aiming to carry around your camera frequently, you should factor its weight and proportions. The Sony A100 offers outer dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs) and the Sony T900 has measurements of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") having a weight of 143 grams (0.32 lbs).

Look at the Sony A100 and Sony T900 in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you have at that time. The following is a front view over all size comparison of the A100 and the T900.

Looking at size and weight, the portability grade of the A100 and T900 is 64 and 96 respectively.

Usually, it is tough to visualise the gap between sensor sizes only by reading a spec sheet. The picture underneath may provide you a better sense of the sensor dimensions in the A100 and T900.

Clearly, both of these cameras provide different megapixels and different sensor sizes. The A100 featuring a larger sensor will make achieving shallower depth of field less difficult and the Sony T900 will offer extra detail utilizing its extra 2MP. Greater resolution will also enable you to crop images more aggressively. The more aged A100 is going to be behind with regard to sensor technology.