Sigma SD15 vs Sony T90

In this write-up, we will be analyzing the Sigma SD15 and Sony T90, former is a Advanced DSLR while the latter is a Ultracompact by brands Sigma and Sony. There exists a noticeable gap between the sensor resolutions of the SD15 (5MP) and T90 (12MP) and the SD15 (APS-C) and T90 (1/2.3") feature totally different sensor measurements.

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The SD15 was brought out 13 months after the T90 which makes the cameras a generation away from one another. Both cameras offer different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony T90 being a Ultracompact camera.

Before delving through a in depth comparison, below is a quick view of how the SD15 matches up vs the T90 for portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Sigma SD15 & Sony Cyber-shot DSC-T90. The entire galleries are provided at Sigma SD15 Gallery & Sony T90 Gallery.

For anybody who is looking to carry around your camera regularly, you should factor its weight and dimensions. The Sigma SD15 offers outer dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") with a weight of 750 grams (1.65 lbs) while the Sony T90 has dimensions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") with a weight of 148 grams (0.33 lbs).

Compare the Sigma SD15 and Sony T90 in our newest Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will differ dependant on the lens you are using at that moment. The following is the front view dimension comparison of the SD15 against the T90.

Factoring in dimensions and weight, the portability grade of the SD15 and T90 is 59 and 96 respectively.

Quite often, it is tough to envision the difference between sensor sizes just by looking at a spec sheet. The picture here should give you a clearer sense of the sensor dimensions in the SD15 and T90.

As you can see, both the cameras enjoy different megapixels and different sensor sizes. The SD15 featuring a bigger sensor will make achieving shallow depth of field simpler and the Sony T90 will give extra detail having its extra 7MP. Higher resolution will also let you crop shots far more aggressively. The newer SD15 is going to have a benefit when it comes to sensor innovation.