Sony A7S vs Sony A580

Below, we will be comparing the Sony A7S versus Sony A580, one being a Pro Mirrorless and the latter is a Entry-Level DSLR and both are manufactured by Sony. There exists a big gap among the resolutions of the A7S (12MP) and A580 (16MP) and the A7S (Full frame) and A580 (APS-C) feature different sensor sizing.

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The A7S was brought out 2 years later than the A580 and that is a fairly big gap as far as camera technology is concerned. The two cameras come with different body type with the Sony A7S being a SLR-style mirrorless camera and the Sony A580 being a Compact SLR camera.

Before diving in to a full comparison, below is a quick synopsis of how the A7S matches up against the A580 when it comes to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Sony Alpha A7S and Sony Alpha DSLR-A580. The entire galleries are provided at Sony A7S Gallery and Sony A580 Gallery.

If you are aiming to lug around your camera regularly, you are going to need to take into account its weight and size. The Sony A7S provides physical dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 489 grams (1.08 lbs) whilst the Sony A580 has specifications of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") with a weight of 599 grams (1.32 lbs).

See the Sony A7S versus Sony A580 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at the time. Below is the front view measurements comparison of the A7S vs the A580.

Looking at dimensions and weight, the portability rating of the A7S and A580 is 77 and 64 respectively.

Normally, its difficult to visualize the gap in sensor measurements only by checking out technical specs. The visual underneath may provide you a much better sense of the sensor sizes in the A7S and A580.

As you have seen, both of the cameras have got different megapixels and different sensor measurements. The A7S due to its bigger sensor is going to make shooting shallow DOF less difficult and the Sony A580 will show more detail having its extra 4MP. Higher resolution will enable you to crop shots much more aggressively. The younger A7S should have an edge with regard to sensor technology.