Sigma SD1 vs Sony A580

In this write-up, we will be matching up the Sigma SD1 and Sony A580, former is a Advanced DSLR while the latter is a Entry-Level DSLR by brands Sigma and Sony. The resolution of the SD1 (15MP) and the A580 (16MP) is relatively well matched and they enjoy the same exact sensor dimensions (APS-C).

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The SD1 was announced 8 months before the A580 so they are of a similar age. Both of the cameras offer different body type with the Sigma SD1 being a Mid-size SLR camera and the Sony A580 being a Compact SLR camera.

Before we go straight into a step-by-step comparison, below is a quick synopsis of how the SD1 scores against the A580 in relation to portability, imaging, features and an overall mark.

Below is a preview of the gallery photos for Sigma SD1 & Sony Alpha DSLR-A580. The whole galleries are available at Sigma SD1 Gallery & Sony A580 Gallery.

In case you're planning to travel with your camera regularly, you are going to need to factor in its weight and volume. The Sigma SD1 has outside measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of n/a grams (0.00 lbs) and the Sony A580 has sizing of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 599 grams (1.32 lbs).

Examine the Sigma SD1 and Sony A580 in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ dependant on the lens you choose during that time. Here is the front view measurement comparison of the SD1 vs the A580.

Considering dimensions and weight, the portability grade of the SD1 and A580 is 77 and 64 respectively.

Typically, its difficult to visualise the gap between sensor dimensions simply by checking technical specs. The pic underneath should give you a far better sense of the sensor measurements in the SD1 and A580.

As you can tell, both of the cameras offer the same exact sensor sizing albeit not the same resolution. You can count on the Sony A580 to give you greater detail with its extra 1MP. Higher resolution will allow you to crop pictures a little more aggressively. The more aged SD1 is going to be disadvantaged when it comes to sensor tech.