Sigma SD15 vs Sony A550

Lets look more closely at the Sigma SD15 versus Sony A550, one is a Advanced DSLR and the latter is a Entry-Level DSLR by brands Sigma and Sony. There is a crucial difference between the sensor resolutions of the SD15 (5MP) and A550 (14MP) but they enjoy the exact same sensor sizing (APS-C).

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The SD15 was released 3 months after the A550 so they are of a similar generation. Both of these cameras come with different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony A550 being a Compact SLR camera.

Before we go through a more detailed comparison, below is a brief summary of how the SD15 grades against the A550 with respect to portability, imaging, features and an overall mark.

The following is a preview of the gallery photos for Sigma SD15 and Sony Alpha DSLR-A550. The complete galleries are viewable at Sigma SD15 Gallery and Sony A550 Gallery.

If you are planning to travel with your camera, you need to factor in its weight and proportions. The Sigma SD15 features outer measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) whilst the Sony A550 has measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") having a weight of 632 grams (1.39 lbs).

Examine the Sigma SD15 versus Sony A550 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at that time. Underneath is the front view dimensions comparison of the SD15 and the A550.

Taking into consideration size and weight, the portability grade of the SD15 and A550 is 59 and 63 respectively.

In many cases, it can be hard to picture the contrast between sensor dimensions purely by reading through specs. The image underneath should provide you a greater sense of the sensor sizing in the SD15 and A550.

As you can plainly see, each of the cameras have got the exact same sensor measurements albeit different resolution. You should count on the Sony A550 to give you greater detail as a result of its extra 9MP. Higher resolution will also help you crop photographs much more aggressively.