Sigma Quattro vs Sony A7S III

Below is a in depth analysis of the Sigma Quattro and Sony A7S III, former being a Advanced Mirrorless while the other is a Pro Mirrorless by competitors Sigma and Sony. There exists a sizable gap between the resolutions of the Quattro (29MP) and A7S III (12MP) and the Quattro (APS-C) and A7S III (Full frame) come with totally different sensor dimensions.

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The Quattro was announced 5 years prior to the A7S III and that is quite a significant difference as far as technology is concerned. The two cameras come with different body type with the Sigma Quattro being a Rangefinder-style mirrorless camera and the Sony A7S III being a SLR-style mirrorless camera.

Before we go through a thorough comparison, below is a quick summation of how the Quattro grades versus the A7S III for portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Sigma sd Quattro & Sony Alpha A7S III. The whole galleries are viewable at Sigma Quattro Gallery & Sony A7S III Gallery.

For those who are planning to lug around your camera frequently, you will want to factor in its weight and volume. The Sigma Quattro offers external dimensions of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") along with a weight of 625 grams (1.38 lbs) whilst the Sony A7S III has sizing of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs).

Compare the Sigma Quattro and Sony A7S III in our newest Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ depending on the lens you choose at that moment. Following is the front view measurement comparison of the Quattro versus the A7S III.

Considering dimensions and weight, the portability grade of the Quattro and A7S III is 63 and 61 respectively.

Normally, it can be hard to see the contrast between sensor measurements only by checking specs. The photograph underneath should give you a stronger sense of the sensor sizes in the Quattro and A7S III.

As you can plainly see, the 2 cameras have got different megapixels and different sensor measurements. The Quattro having a tinier sensor will make getting shallow depth of field more challenging and the Sigma Quattro will give you greater detail with its extra 17 Megapixels. Greater resolution will make it easier to crop photos much more aggressively. The older Quattro is going to be behind with regard to sensor tech.