Sigma SD1 vs Sony T90

Lets take a closer look at the Sigma SD1 versus Sony T90, one being a Advanced DSLR and the other is a Ultracompact by rivals Sigma and Sony. There exists a big gap between the resolutions of the SD1 (15MP) and T90 (12MP) and the SD1 (APS-C) and T90 (1/2.3") offer totally different sensor dimensions.

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The SD1 was introduced 20 months later than the T90 making them a generation apart from one another. Both of the cameras feature different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony T90 being a Ultracompact camera.

Before delving into a more detailed comparison, here is a brief overview of how the SD1 matches up versus the T90 when considering portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Sigma SD1 and Sony Cyber-shot DSC-T90. The whole galleries are available at Sigma SD1 Gallery and Sony T90 Gallery.

For anybody who is looking to lug around your camera often, you have to factor its weight and proportions. The Sigma SD1 provides exterior measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs) while the Sony T90 has measurements of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") having a weight of 148 grams (0.33 lbs).

See the Sigma SD1 versus Sony T90 in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you have attached at that moment. The following is a front view proportions comparison of the SD1 compared to the T90.

Taking into account dimensions and weight, the portability score of the SD1 and T90 is 77 and 96 respectively.

More often than not, it is hard to see the contrast between sensor measurements only by going over a spec sheet. The visual underneath will give you a stronger sense of the sensor measurements in the SD1 and T90.

As you can see, each of these cameras feature different megapixels and different sensor measurements. The SD1 using its larger sensor will make getting bokeh easier and the Sigma SD1 will deliver greater detail using its extra 3 Megapixels. Greater resolution will help you crop photos way more aggressively. The younger SD1 will have a benefit in sensor innovation.