Sigma DP2 Quattro vs Sony A7S

Here, we are contrasting the Sigma DP2 Quattro and Sony A7S, one is a Large Sensor Compact and the other is a Pro Mirrorless by companies Sigma and Sony. There is a huge difference among the image resolutions of the DP2 Quattro (20MP) and A7S (12MP) and the DP2 Quattro (APS-C) and A7S (Full frame) have different sensor size.

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The DP2 Quattro was announced within a month of the A7S which means that they are of a similar generation. Both of the cameras feature different body design with the Sigma DP2 Quattro being a Large Sensor Compact camera and the Sony A7S being a SLR-style mirrorless camera.

Before we go straight to a complete comparison, here is a simple highlight of how the DP2 Quattro scores against the A7S with regard to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Sigma DP2 Quattro and Sony Alpha A7S. The whole galleries are viewable at Sigma DP2 Quattro Gallery and Sony A7S Gallery.

If you're going to travel with your camera, you need to factor in its weight and volume. The Sigma DP2 Quattro has got physical measurements of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") with a weight of 395 grams (0.87 lbs) and the Sony A7S has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") and a weight of 489 grams (1.08 lbs).

Examine the Sigma DP2 Quattro and Sony A7S in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at the time. The following is a front view measurements comparison of the DP2 Quattro versus the A7S.

Looking at size and weight, the portability grade of the DP2 Quattro and A7S is 70 and 77 respectively.

Often, it's difficult to visualize the difference in sensor dimensions only by viewing technical specs. The picture below might give you a better sense of the sensor measurements in the DP2 Quattro and A7S.

As you have seen, each of these cameras feature different resolutions and different sensor dimensions. The DP2 Quattro having a smaller sensor is going to make achieving shallower depth of field more challenging and the Sigma DP2 Quattro will provide you with extra detail with its extra 8 Megapixels. Greater resolution can also enable you to crop images way more aggressively.