Sigma SD1 vs Sony A58

Its time to look a bit more in depth at the Sigma SD1 and Sony A58, one is a Advanced DSLR and the latter is a Entry-Level DSLR by manufacturers Sigma and Sony. There exists a significant gap among the resolutions of the SD1 (15MP) and A58 (20MP) but both cameras provide the identical sensor sizes (APS-C).

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The SD1 was launched 4 years prior to the A58 which is a fairly sizable gap as far as camera technology is concerned. Both of the cameras feature different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony A58 being a Compact SLR camera.

Before diving straight to a complete comparison, here is a short highlight of how the SD1 grades versus the A58 when considering portability, imaging, features and an overall mark.

This is a preview of the gallery images for Sigma SD1 and Sony SLT-A58. The complete galleries are provided at Sigma SD1 Gallery and Sony A58 Gallery.

If you're aiming to travel with your camera, you'll need to factor in its weight and volume. The Sigma SD1 offers physical 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 A58 has sizing of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") accompanied by a weight of 492 grams (1.08 lbs).

Take a look at the Sigma SD1 and Sony A58 in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at the time. Here is a front view measurement comparison of the SD1 against the A58.

Looking at dimensions and weight, the portability grade of the SD1 and A58 is 77 and 68 respectively.

Quite often, it is very difficult to see the gap in sensor dimensions only by checking out specs. The pic here will provide you a much better sense of the sensor measurements in the SD1 and A58.

As you can plainly see, both cameras come with the identical sensor size albeit not the same megapixels. You should expect the Sony A58 to provide greater detail utilizing its extra 5 Megapixels. Higher resolution will allow you to crop pictures a good deal more aggressively. The more aged SD1 will be behind when it comes to sensor innovation.