Sigma SD1 Merrill vs Sony A6400

Lets take a more detailed look at the Sigma SD1 Merrill vs Sony A6400, one is a Advanced DSLR and the other is a Advanced Mirrorless by rivals Sigma and Sony. There is a significant difference among the image resolutions of the SD1 Merrill (15MP) and A6400 (24MP) but they come with the same exact sensor sizing (APS-C).

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The SD1 Merrill was revealed 7 years before the A6400 which is a fairly sizable gap as far as camera tech is concerned. Both of the cameras offer different body type with the Sigma SD1 Merrill being a Mid-size SLR camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before diving straight into a full comparison, below is a quick highlight of how the SD1 Merrill grades vs the A6400 when considering portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Sigma SD1 Merrill and Sony Alpha a6400. The full galleries are viewable at Sigma SD1 Merrill Gallery and Sony A6400 Gallery.

For anyone who is intending to travel with your camera regularly, you are going to need to think about its weight and proportions. The Sigma SD1 Merrill provides outer dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of 790 grams (1.74 lbs) while the Sony A6400 has measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs).

Check the Sigma SD1 Merrill vs Sony A6400 in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at the time. The following is the front view proportions comparison of the SD1 Merrill vs the A6400.

Looking at size and weight, the portability rating of the SD1 Merrill and A6400 is 57 and 83 respectively.

Often, it can be tough to visualise the difference in sensor dimensions just by going through a spec sheet. The image here may give you a clearer sense of the sensor sizes in the SD1 Merrill and A6400.

Clearly, the two cameras offer the same exact sensor sizing but not the same megapixels. You should expect to see the Sony A6400 to provide more detail because of its extra 9MP. Greater resolution can also help you crop images a little more aggressively. The more aged SD1 Merrill will be behind when it comes to sensor innovation.