Sigma DP3 Merrill vs Sony A7R IV

Let's look more closely at the Sigma DP3 Merrill versus Sony A7R IV, one being a Large Sensor Compact and the latter is a Pro Mirrorless by companies Sigma and Sony. There exists a significant gap between the sensor resolutions of the DP3 Merrill (15MP) and A7R IV (61MP) and the DP3 Merrill (APS-C) and A7R IV (Full frame) posses different sensor sizing.

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The DP3 Merrill was manufactured 7 years before the A7R IV and that is quite a sizable gap as far as technology is concerned. Both cameras have different body design with the Sigma DP3 Merrill being a Large Sensor Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before delving into a step-by-step comparison, here is a brief view of how the DP3 Merrill grades vs the A7R IV with regard to portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Sigma DP3 Merrill and Sony Alpha A7R IV. The entire galleries are available at Sigma DP3 Merrill Gallery and Sony A7R IV Gallery.

For anyone who is intending to lug around your camera, you should take into account its weight and size. The Sigma DP3 Merrill features physical measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") along with a weight of 330 grams (0.73 lbs) while the Sony A7R IV has specifications of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") having a weight of 665 grams (1.47 lbs).

Compare the Sigma DP3 Merrill versus Sony A7R IV in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you choose at the time. Here is a front view measurements comparison of the DP3 Merrill against the A7R IV.

Factoring in dimensions and weight, the portability score of the DP3 Merrill and A7R IV is 83 and 62 respectively.

Quite often, it can be tough to imagine the contrast between sensor measurements purely by reading specifications. The photograph below should offer you a stronger sense of the sensor sizing in the DP3 Merrill and A7R IV.

To sum up, the two cameras have different resolutions and different sensor measurements. The DP3 Merrill because of its tinier sensor is going to make shooting shallower depth of field tougher and the Sony A7R IV will offer greater detail due to its extra 46MP. Higher resolution can also allow you to crop pictures a bit more aggressively. The older DP3 Merrill is going to be disadvantaged when it comes to sensor technology.