Sony A7S vs Sony A550

Following is a detailed overview of the Sony A7S versus Sony A550, one is a Pro Mirrorless and the other is a Entry-Level DSLR and they are both built by Sony. The resolution of the A7S (12MP) and the A550 (14MP) is very similar but the A7S (Full frame) and A550 (APS-C) provide different sensor size.

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The A7S was manufactured 4 years after the A550 which is quite a serious gap as far as tech is concerned. Both cameras have different body design with the Sony A7S being a SLR-style mirrorless camera and the Sony A550 being a Compact SLR camera.

Before going into a more detailed comparison, here is a concise view of how the A7S matches up vs the A550 in terms of portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Sony Alpha A7S and Sony Alpha DSLR-A550. The entire galleries are provided at Sony A7S Gallery and Sony A550 Gallery.

For anybody who is aiming to carry around your camera frequently, you're going to have to think about its weight and volume. The Sony A7S features external dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 489 grams (1.08 lbs) and the Sony A550 has sizing of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 632 grams (1.39 lbs).

Check out the Sony A7S versus Sony A550 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you have during that time. Underneath is a front view sizing comparison of the A7S and the A550.

Considering size and weight, the portability rating of the A7S and A550 is 77 and 63 respectively.

Usually, it's hard to picture the gap between sensor sizes purely by going over specs. The pic here should provide you a clearer sense of the sensor sizes in the A7S and A550.

As you can plainly see, each of these cameras provide different megapixel count and different sensor sizes. The A7S due to its larger sensor is going to make achieving shallow depth of field less difficult and the Sony A550 will offer more detail due to its extra 2 Megapixels. Greater resolution will also help you crop images more aggressively. The younger A7S provides an advantage with regard to sensor innovation.