Sigma DP1 Merrill vs Sony A7 III

On this page, we are matching up the Sigma DP1 Merrill vs Sony A7 III, one being a Large Sensor Compact and the other is a Pro Mirrorless by manufacturers Sigma and Sony. There exists a significant gap between the sensor resolutions of the DP1 Merrill (15MP) and A7 III (24MP) and the DP1 Merrill (APS-C) and A7 III (Full frame) have different sensor sizing.

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The DP1 Merrill was announced 7 years before the A7 III and that is quite a sizable gap as far as technology is concerned. Both of these cameras have different body design with the Sigma DP1 Merrill being a Large Sensor Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving into a more detailed comparison, here is a quick introduction of how the DP1 Merrill grades versus the A7 III with regards to portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Sigma DP1 Merrill and Sony Alpha A7 III. The whole galleries are viewable at Sigma DP1 Merrill Gallery and Sony A7 III Gallery.

If you're looking to carry your camera, you will need to factor its weight and dimensions. The Sigma DP1 Merrill has outside dimensions of 122mm x 67mm x 64mm (4.8" x 2.6" x 2.5") with a weight of 330 grams (0.73 lbs) and the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Analyze the Sigma DP1 Merrill vs Sony A7 III in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you select during that time. Below is a front view physical size comparison of the DP1 Merrill compared to the A7 III.

Factoring in dimensions and weight, the portability grade of the DP1 Merrill and A7 III is 82 and 63 respectively.

More often than not, its tough to visualize the contrast between sensor sizing only by reviewing technical specs. The photograph below may offer you a greater sense of the sensor dimensions in the DP1 Merrill and A7 III.

As you can tell, each of the cameras provide different megapixel count and different sensor sizing. The DP1 Merrill using its tinier sensor is going to make shooting shallow depth of field more difficult and the Sony A7 III will deliver more detail with its extra 9MP. Greater resolution will let you crop images more aggressively. The older DP1 Merrill is going to be disadvantaged when it comes to sensor innovation.