Sigma SD9 vs Sony T90

Its time to look more closely at the Sigma SD9 versus Sony T90, one is a Advanced DSLR and the other is a Ultracompact by manufacturers Sigma and Sony. There is a huge difference between the resolutions of the SD9 (3MP) and T90 (12MP) and the SD9 (APS-C) and T90 (1/2.3") offer totally different sensor sizes.

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The SD9 was launched 7 years before the T90 which is quite a significant gap as far as tech is concerned. Each of these cameras feature different body design with the Sigma SD9 being a Mid-size SLR camera and the Sony T90 being a Ultracompact camera.

Before diving straight to a detailed comparison, here is a quick synopsis of how the SD9 matches up vs the T90 with regard to portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Sigma SD9 and Sony Cyber-shot DSC-T90. The complete galleries are provided at Sigma SD9 Gallery and Sony T90 Gallery.

For anyone who is going to travel with your camera, you'll need to take into account its weight and proportions. The Sigma SD9 features exterior dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") and a weight of 950 grams (2.09 lbs) whilst the Sony T90 has measurements of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") along with a weight of 148 grams (0.33 lbs).

See the Sigma SD9 versus Sony T90 in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you are using at the time. Following is a front view scale comparison of the SD9 vs the T90.

Looking at size and weight, the portability grade of the SD9 and T90 is 54 and 96 respectively.

Often, it can be hard to visualise the difference between sensor dimensions simply by reading specs. The pic here might provide you a stronger sense of the sensor dimensions in the SD9 and T90.

All in all, the 2 cameras feature different resolutions and different sensor dimensions. The SD9 due to its larger sensor will make shooting shallower depth of field easier and the Sony T90 will offer you more detail utilizing its extra 9 Megapixels. Greater resolution can also help you crop images way more aggressively. The more aged SD9 is going to be behind in sensor technology.