Sigma SD15 vs Sony A700

Its time to take a deeper look at the Sigma SD15 vs Sony A700, both Advanced DSLR digital cameras by manufacturers Sigma and Sony. There exists a significant gap between the image resolutions of the SD15 (5MP) and A700 (12MP) but both cameras provide the same sensor dimensions (APS-C).

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The SD15 was brought out 2 years later than the A700 and that is quite a sizable gap as far as technology is concerned. Each of the cameras have the same body design (Mid-size SLR).

Before going into a full comparison, here is a simple summary of how the SD15 scores versus the A700 in the way of portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Sigma SD15 and Sony Alpha DSLR-A700. The entire galleries are viewable at Sigma SD15 Gallery and Sony A700 Gallery.

For anyone who is intending to lug around your camera frequently, you have to think about its weight and proportions. The Sigma SD15 comes with external dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") along with a weight of 750 grams (1.65 lbs) while the Sony A700 has measurements of 142mm x 105mm x 80mm (5.6" x 4.1" x 3.1") and a weight of 768 grams (1.69 lbs).

Take a look at the Sigma SD15 vs Sony A700 in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at the time. Below is a front view size comparison of the SD15 and the A700.

Factoring in dimensions and weight, the portability rating of the SD15 and A700 is 59 and 58 respectively.

Quite often, its hard to envision the difference between sensor measurements merely by checking technical specs. The visual below will provide you a more clear sense of the sensor dimensions in the SD15 and A700.

As you can tell, each of the cameras provide the same sensor dimensions albeit not the same MP. You should expect the Sony A700 to resolve more detail having its extra 7 Megapixels. Higher resolution will also let you crop photographs more aggressively. The younger SD15 will have a benefit in sensor technology.