Sigma DP1s vs Sony T90

The following is a extensive analysis of the Sigma DP1s and Sony T90, one is a Large Sensor Compact and the latter is a Ultracompact by brands Sigma and Sony. There is a big difference between the sensor resolutions of the DP1s (5MP) and T90 (12MP) and the DP1s (APS-C) and T90 (1/2.3") come with different sensor size.

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The DP1s was unveiled 8 months after the T90 so they are of a similar generation. Each of these cameras offer different body type with the Sigma DP1s being a Large Sensor Compact camera and the Sony T90 being a Ultracompact camera.

Before diving in to a thorough comparison, below is a simple highlight of how the DP1s grades versus the T90 in the way of portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Sigma DP1s and Sony Cyber-shot DSC-T90. The full galleries are viewable at Sigma DP1s Gallery and Sony T90 Gallery.

For anyone who is going to travel with your camera frequently, you're going to have to factor in its weight and measurements. The Sigma DP1s comes with physical dimensions of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") with a weight of 270 grams (0.60 lbs) and the Sony T90 has proportions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") and a weight of 148 grams (0.33 lbs).

Look at the Sigma DP1s and Sony T90 in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at the time. Underneath is the front view over all size comparison of the DP1s against the T90.

Taking into account size and weight, the portability score of the DP1s and T90 is 90 and 96 respectively.

Often, it is very difficult to visualize the difference between sensor dimensions merely by reading through specifications. The image here may offer you a far better sense of the sensor sizes in the DP1s and T90.

Plainly, the 2 cameras offer different resolutions and different sensor dimensions. The DP1s with its bigger sensor is going to make shooting shallow depth of field simpler and the Sony T90 will give more detail having an extra 7MP. Higher resolution can also allow you to crop shots a little more aggressively. The newer DP1s should have an advantage in sensor technology.