Sigma Quattro vs Sony A7S

Lets look much closer at the Sigma Quattro and Sony A7S, one being a Advanced Mirrorless and the latter is a Pro Mirrorless by manufacturers Sigma and Sony. There is a sizeable difference between the image resolutions of the Quattro (29MP) and A7S (12MP) and the Quattro (APS-C) and A7S (Full frame) enjoy different sensor sizes.

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The Quattro was brought out 23 months later than the A7S which makes the cameras a generation apart from each other. Both of these cameras come with different body type with the Sigma Quattro being a Rangefinder-style mirrorless camera and the Sony A7S being a SLR-style mirrorless camera.

Before delving straight into a detailed comparison, below is a concise synopsis of how the Quattro scores versus the A7S when considering portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Sigma sd Quattro and Sony Alpha A7S. The entire galleries are provided at Sigma Quattro Gallery and Sony A7S Gallery.

When you are looking to carry your camera regularly, you'll need to consider its weight and measurements. The Sigma Quattro comes with exterior dimensions of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") having a weight of 625 grams (1.38 lbs) and the Sony A7S has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") and a weight of 489 grams (1.08 lbs).

Take a look at the Sigma Quattro and Sony A7S in the latest Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with at the time. Here is the front view measurement comparison of the Quattro and the A7S.

Considering size and weight, the portability score of the Quattro and A7S is 63 and 77 respectively.

Usually, it is very difficult to visualize the difference between sensor sizing just by looking at specifications. The graphic underneath should offer you a far better sense of the sensor sizes in the Quattro and A7S.

Plainly, both cameras posses different megapixels and different sensor sizing. The Quattro because of its tinier sensor is going to make achieving shallower DOF more difficult and the Sigma Quattro will resolve more detail having its extra 17 Megapixels. Higher resolution will also let you crop pictures somewhat more aggressively. The more recent Quattro provides an advantage in sensor technology.