Sigma SD1 vs Sony T900

Here is a comprehensive assessment of the Sigma SD1 vs Sony T900, one being a Advanced DSLR and the latter is a Ultracompact by brands Sigma and Sony. There is a sizeable difference between the resolutions of the SD1 (15MP) and T900 (12MP) and the SD1 (APS-C) and T900 (1/2.3") enjoy different sensor dimensions.

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The SD1 was released 20 months later than the T900 which makes the cameras a generation apart from each other. Both the cameras come with different body type with the Sigma SD1 being a Mid-size SLR camera and the Sony T900 being a Ultracompact camera.

Before getting through a in-depth comparison, below is a short introduction of how the SD1 scores versus the T900 in the way of portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Sigma SD1 and Sony Cyber-shot DSC-T900. The complete galleries are provided at Sigma SD1 Gallery and Sony T900 Gallery.

In case you're looking to carry your camera regularly, you will need to factor in its weight and size. The Sigma SD1 comes with outer dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of n/a grams (0.00 lbs) whilst the Sony T900 has specifications of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") having a weight of 143 grams (0.32 lbs).

See the Sigma SD1 vs Sony T900 in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you select at the time. Here is the front view size comparison of the SD1 and the T900.

Considering size and weight, the portability rating of the SD1 and T900 is 77 and 96 respectively.

In many cases, it's difficult to picture the contrast between sensor sizing only by checking technical specs. The visual below will provide you a far better sense of the sensor sizes in the SD1 and T900.

As you can tell, the two cameras have got different megapixels and different sensor sizing. The SD1 because of its bigger sensor is going to make shooting shallow depth of field less difficult and the Sigma SD1 will give more detail as a result of its extra 3MP. Higher resolution can also allow you to crop pictures much more aggressively. The more recent SD1 provides an edge with regard to sensor tech.