Sigma SD1 Merrill vs Sony A7R II

Its time to take a closer look at the Sigma SD1 Merrill vs Sony A7R II, one is a Advanced DSLR and the other is a Pro Mirrorless by manufacturers Sigma and Sony. There is a huge difference between the sensor resolutions of the SD1 Merrill (15MP) and A7R II (42MP) and the SD1 Merrill (APS-C) and A7R II (Full frame) posses different sensor dimensions.

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The SD1 Merrill was brought out 4 years earlier than the A7R II which is quite a significant gap as far as tech is concerned. The two cameras have different body design with the Sigma SD1 Merrill being a Mid-size SLR camera and the Sony A7R II being a SLR-style mirrorless camera.

Before diving straight to a more detailed comparison, here is a simple overview of how the SD1 Merrill matches up vs the A7R II with regards to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Sigma SD1 Merrill and Sony Alpha A7R II. The entire galleries are viewable at Sigma SD1 Merrill Gallery and Sony A7R II Gallery.

When you are aiming to carry around your camera frequently, you'll have to factor in its weight and measurements. The Sigma SD1 Merrill provides outside measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of 790 grams (1.74 lbs) and the Sony A7R II has proportions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 625 grams (1.38 lbs).

Contrast the Sigma SD1 Merrill vs Sony A7R II in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you have during that time. Below is a front view over all size comparison of the SD1 Merrill compared to the A7R II.

Considering size and weight, the portability grade of the SD1 Merrill and A7R II is 57 and 68 respectively.

Usually, it can be hard to picture the difference between sensor sizes only by reading technical specs. The image underneath will provide you a stronger sense of the sensor measurements in the SD1 Merrill and A7R II.

As you have seen, each of the cameras have different resolutions and different sensor sizes. The SD1 Merrill because of its tinier sensor is going to make achieving bokeh harder and the Sony A7R II will offer you extra detail having its extra 27MP. Greater resolution will help you crop pics a bit more aggressively. The more aged SD1 Merrill is going to be disadvantaged when it comes to sensor tech.