Sigma DP1s vs Sony A7 III

Below is a extensive overview of the Sigma DP1s vs Sony A7 III, former being a Large Sensor Compact while the latter is a Pro Mirrorless by brands Sigma and Sony. There exists a substantial gap among the sensor resolutions of the DP1s (5MP) and A7 III (24MP) and the DP1s (APS-C) and A7 III (Full frame) posses different sensor size.

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The DP1s was announced 9 years earlier than the A7 III and that is a fairly big difference as far as camera technology is concerned. Each of these cameras have different body design with the Sigma DP1s being a Large Sensor Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go right into a comprehensive comparison, here is a brief summary of how the DP1s matches up vs the A7 III with regard to portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Sigma DP1s & Sony Alpha A7 III. The whole galleries are viewable at Sigma DP1s Gallery & Sony A7 III Gallery.

For anybody who is aiming to lug around your camera regularly, you will have to factor in its weight and proportions. The Sigma DP1s features outside dimensions of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") along with a weight of 270 grams (0.60 lbs) and the Sony A7 III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

Take a look at the Sigma DP1s vs Sony A7 III in our newest Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you are using at the time. Here is a front view size comparison of the DP1s compared to the A7 III.

Looking at dimensions and weight, the portability grade of the DP1s and A7 III is 90 and 63 respectively.

More often than not, it's difficult to picture the difference in sensor measurements just by going through technical specs. The graphic here will provide you a far better sense of the sensor dimensions in the DP1s and A7 III.

As you have seen, both cameras have different megapixel count and different sensor measurements. The DP1s having a smaller sensor is going to make shooting shallower DOF more challenging and the Sony A7 III will provide more detail with its extra 19 Megapixels. Higher resolution will enable you to crop pictures a bit more aggressively. The older DP1s will be behind when it comes to sensor innovation.