Sony A7R III vs Sony A58

Below is a in-depth analysis of the Sony A7R III vs Sony A58, one being a Pro Mirrorless and the other is a Entry-Level DSLR and both are offered by Sony. There exists a huge gap between the resolutions of the A7R III (42MP) and A58 (20MP) and the A7R III (Full frame) and A58 (APS-C) posses totally different sensor measurements.

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The A7R III was manufactured 3 years later than the A58 and that is quite a significant gap as far as technology is concerned. Each of these cameras have different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony A58 being a Compact SLR camera.

Before delving into a comprehensive comparison, here is a brief synopsis of how the A7R III grades against the A58 in relation to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Sony Alpha A7R III and Sony SLT-A58. The entire galleries are available at Sony A7R III Gallery and Sony A58 Gallery.

If you're intending to lug around your camera, you're going to have to factor in its weight and measurements. The Sony A7R III offers outside measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs) while the Sony A58 has proportions of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") with a weight of 492 grams (1.08 lbs).

Check the Sony A7R III vs Sony A58 in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you use during that time. Following is a front view over all size comparison of the A7R III vs the A58.

Taking into consideration dimensions and weight, the portability score of the A7R III and A58 is 63 and 68 respectively.

Typically, it can be difficult to envision the gap between sensor measurements purely by going over technical specs. The photograph underneath will give you a much better sense of the sensor sizing in the A7R III and A58.

As you can tell, both cameras provide different resolutions and different sensor measurements. The A7R III featuring a larger sensor will make shooting shallower depth of field less difficult and the Sony A7R III will offer you greater detail due to its extra 22 Megapixels. Greater resolution can also help you crop pics more aggressively. The fresher A7R III is going to have an advantage in sensor tech.