Sigma Quattro H vs Sony A7S III

On this page, we are evaluating the Sigma Quattro H vs Sony A7S III, one is a Advanced Mirrorless and the other is a Pro Mirrorless by manufacturers Sigma and Sony. There exists a big gap between the image resolutions of the Quattro H (45MP) and A7S III (12MP) and the Quattro H (APS-H) and A7S III (Full frame) posses totally different sensor measurements.

Photography Glossary

The Quattro H was brought out 5 years before the A7S III which is quite a big gap as far as technology is concerned. Both cameras have different body design with the Sigma Quattro H being a Rangefinder-style mirrorless camera and the Sony A7S III being a SLR-style mirrorless camera.

Before going into a in-depth comparison, here is a simple overview of how the Quattro H grades vs the A7S III in terms of portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Sigma sd Quattro H and Sony Alpha A7S III. The entire galleries are viewable at Sigma Quattro H Gallery and Sony A7S III Gallery.

For those who are planning to travel with your camera frequently, you should consider its weight and dimensions. The Sigma Quattro H has external measurements of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") and a weight of n/a grams (0.00 lbs) while the Sony A7S III has dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs).

Examine the Sigma Quattro H vs Sony A7S III in the all new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at that time. The following is a front view dimensions comparison of the Quattro H vs the A7S III.

Considering dimensions and weight, the portability score of the Quattro H and A7S III is 78 and 61 respectively.

Typically, it's difficult to see the difference between sensor dimensions just by reading a spec sheet. The image below will help give you a greater sense of the sensor sizing in the Quattro H and A7S III.

Clearly, each of these cameras provide different resolutions and different sensor dimensions. The Quattro H due to its tinier sensor will make achieving bokeh more challenging and the Sigma Quattro H will offer extra detail having its extra 33MP. Greater resolution will help you crop photos more aggressively. The more aged Quattro H is going to be disadvantaged when it comes to sensor tech.