Sigma SD10 vs Sony A55

Below is a extensive assessment of the Sigma SD10 and Sony A55, one being a Advanced DSLR and the latter is a Entry-Level DSLR by rivals Sigma and Sony. There is a big difference between the image resolutions of the SD10 (3MP) and A55 (16MP) but both cameras offer the identical sensor measurements (APS-C).

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The SD10 was launched 7 years earlier than the A55 and that is quite a big gap as far as tech is concerned. Both the cameras feature different body design with the Sigma SD10 being a Mid-size SLR camera and the Sony A55 being a Compact SLR camera.

Before diving straight to a in depth comparison, here is a brief highlight of how the SD10 scores against the A55 when it comes to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Sigma SD10 and Sony SLT-A55. The complete galleries are available at Sigma SD10 Gallery and Sony A55 Gallery.

For anyone who is intending to lug around your camera frequently, you'll need to factor its weight and dimensions. The Sigma SD10 has exterior dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") along with a weight of 950 grams (2.09 lbs) whilst the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Analyze the Sigma SD10 and Sony A55 in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising at the time. Underneath is a front view dimension comparison of the SD10 versus the A55.

Using size and weight, the portability score of the SD10 and A55 is 54 and 67 respectively.

In many cases, it's tough to picture the contrast between sensor measurements purely by going over technical specs. The photograph below might offer you a better sense of the sensor sizes in the SD10 and A55.

As you have seen, each of these cameras come with the identical sensor size albeit different MP. You should count on the Sony A55 to deliver more detail utilizing its extra 13 Megapixels. Higher resolution can also make it easier to crop photographs a good deal more aggressively. The older SD10 is going to be disadvantaged when it comes to sensor technology.