Sigma DP2 Merrill vs Sony A7 III

Here is a thorough assessment of the Sigma DP2 Merrill and Sony A7 III, one being a Large Sensor Compact and the latter is a Pro Mirrorless by rivals Sigma and Sony. There is a huge difference among the resolutions of the DP2 Merrill (15MP) and A7 III (24MP) and the DP2 Merrill (APS-C) and A7 III (Full frame) use totally different sensor sizes.

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The DP2 Merrill was announced 7 years earlier than the A7 III and that is a fairly significant gap as far as camera tech is concerned. Each of these cameras come with different body type with the Sigma DP2 Merrill being a Large Sensor Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting in to a in-depth comparison, below is a simple introduction of how the DP2 Merrill matches up versus the A7 III in terms of portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Sigma DP2 Merrill and Sony Alpha A7 III. The whole galleries are available at Sigma DP2 Merrill Gallery and Sony A7 III Gallery.

For anybody who is looking to carry your camera regularly, you will need to factor in its weight and volume. The Sigma DP2 Merrill comes with physical dimensions of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") accompanied by a weight of 330 grams (0.73 lbs) while the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

See the Sigma DP2 Merrill and Sony A7 III in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose during that time. Underneath is the front view dimensions comparison of the DP2 Merrill vs the A7 III.

Using size and weight, the portability grade of the DP2 Merrill and A7 III is 83 and 63 respectively.

Generally, it is difficult to see the gap in sensor sizing just by researching a spec sheet. The visual here will help provide you a much better sense of the sensor sizes in the DP2 Merrill and A7 III.

As you can see, both the cameras have got different megapixel count and different sensor sizing. The DP2 Merrill having a smaller sensor will make getting shallow DOF more difficult and the Sony A7 III will result in extra detail with its extra 9MP. Higher resolution can also help you crop shots much more aggressively. The older DP2 Merrill will be behind when it comes to sensor innovation.