Sony A9 vs Sony A58

Lets look a bit more closely at the Sony A9 vs Sony A58, one being a Pro Mirrorless and the latter is a Entry-Level DSLR and they are both designed by Sony. The resolution of the A9 (24MP) and the A58 (20MP) is pretty similar but the A9 (Full frame) and A58 (APS-C) come with different sensor sizing.

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The A9 was announced 3 years later than the A58 and that is quite a sizable gap as far as tech is concerned. Both cameras offer different body type with the Sony A9 being a SLR-style mirrorless camera and the Sony A58 being a Compact SLR camera.

Before delving in to a step-by-step comparison, below is a simple summary of how the A9 scores vs the A58 in terms of portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Sony Alpha A9 and Sony SLT-A58. The whole galleries are viewable at Sony A9 Gallery and Sony A58 Gallery.

For those who are aiming to carry your camera frequently, you should consider its weight and volume. The Sony A9 provides outer measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") and a weight of 673 grams (1.48 lbs) and the Sony A58 has sizing of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") with a weight of 492 grams (1.08 lbs).

Compare the Sony A9 vs Sony A58 in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you have attached during that time. The following is the front view measurement comparison of the A9 vs the A58.

Using size and weight, the portability rating of the A9 and A58 is 65 and 68 respectively.

Often, its hard to picture the difference between sensor sizing purely by reading a spec sheet. The graphic here might offer you a better sense of the sensor sizing in the A9 and A58.

Clearly, the two cameras offer different megapixels and different sensor sizing. The A9 having a bigger sensor is going to make shooting shallower depth of field easier and the Sony A9 will offer more detail with its extra 4MP. Higher resolution will make it easier to crop photographs a little more aggressively. The more recent A9 should have an advantage when it comes to sensor innovation.