Sigma SD1 vs Sony A37

On this page, we are looking at the Sigma SD1 and Sony A37, former is a Advanced DSLR while the other is a Entry-Level DSLR by manufacturers Sigma and Sony. The sensor resolution of the SD1 (15MP) and the A37 (16MP) is very well matched and both cameras have the same sensor sizes (APS-C).

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The SD1 was launched 20 months earlier than the A37 making them a generation away from one another. Both of the cameras have different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony A37 being a Compact SLR camera.

Before going into a full comparison, here is a simple summary of how the SD1 scores against the A37 with regard to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Sigma SD1 & Sony SLT-A37. The complete galleries are provided at Sigma SD1 Gallery & Sony A37 Gallery.

When you are looking to carry around your camera, you will want to factor in its weight and proportions. The Sigma SD1 offers physical measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of n/a grams (0.00 lbs) whilst the Sony A37 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 506 grams (1.12 lbs).

Take a look at the Sigma SD1 and Sony A37 in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you are employing at the time. Underneath is a front view dimensions comparison of the SD1 against the A37.

Taking into consideration dimensions and weight, the portability score of the SD1 and A37 is 77 and 67 respectively.

More often than not, it is very hard to imagine the difference between sensor sizes merely by checking technical specs. The image underneath might offer you a greater sense of the sensor sizing in the SD1 and A37.

As you have seen, the two cameras have the same sensor dimensions but different resolution. You can expect to see the Sony A37 to resolve extra detail utilizing its extra 1 Megapixels. Greater resolution will enable you to crop photos a bit more aggressively. The more aged SD1 is going to be disadvantaged in sensor technology.