Sigma Quattro H vs Sony A7R III

Its time to look a bit more closely at the Sigma Quattro H versus Sony A7R III, one is a Advanced Mirrorless and the latter is a Pro Mirrorless by manufacturers Sigma and Sony. The sensor resolution of the Quattro H (45MP) and the A7R III (42MP) is relatively well matched but the Quattro H (APS-H) and A7R III (Full frame) use different sensor sizes.

Meta to Introduce 'AI-Generated' Labels for Media starting next month

The Quattro H was brought out 20 months earlier than the A7R III which makes the cameras a generation away from each other. Both of these cameras come with different body type with the Sigma Quattro H being a Rangefinder-style mirrorless camera and the Sony A7R III being a SLR-style mirrorless camera.

Before diving straight into a thorough comparison, below is a quick introduction of how the Quattro H grades vs the A7R III with respect to portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Sigma sd Quattro H and Sony Alpha A7R III. The entire galleries are available at Sigma Quattro H Gallery and Sony A7R III Gallery.

For anybody who is aiming to carry around your camera, you're going to have to factor in its weight and proportions. The Sigma Quattro H provides outer dimensions of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") with a weight of n/a grams (0.00 lbs) whilst the Sony A7R III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs).

Contrast the Sigma Quattro H versus Sony A7R III in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using during that time. The following is the front view physical size comparison of the Quattro H against the A7R III.

Factoring in size and weight, the portability score of the Quattro H and A7R III is 78 and 63 respectively.

Oftentimes, its hard to visualize the contrast between sensor sizes purely by reading through technical specs. The pic underneath will help give you a clearer sense of the sensor dimensions in the Quattro H and A7R III.

As you have seen, both of these cameras have got different resolutions and different sensor sizes. The Quattro H because of its tinier sensor is going to make achieving shallow DOF harder and the Sigma Quattro H will give more detail having its extra 3MP. Higher resolution can also make it easier to crop shots much more aggressively. The more aged Quattro H is going to be behind with regard to sensor tech.