Sigma SD1 vs Sony A7R IV

Below is a comprehensive analysis of the Sigma SD1 versus Sony A7R IV, former being a Advanced DSLR while the latter is a Pro Mirrorless by rivals Sigma and Sony. There exists a noticeable gap between the sensor resolutions of the SD1 (15MP) and A7R IV (61MP) and the SD1 (APS-C) and A7R IV (Full frame) enjoy different sensor sizing.

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The SD1 was brought out 9 years prior to the A7R IV and that is quite a sizable difference as far as technology is concerned. Both of the cameras come with different body type with the Sigma SD1 being a Mid-size SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before diving straight into a in depth comparison, below is a quick summation of how the SD1 matches up versus the A7R IV in the way of portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Sigma SD1 & Sony Alpha A7R IV. The entire galleries are provided at Sigma SD1 Gallery & Sony A7R IV Gallery.

If you are intending to lug around your camera regularly, you'll need to factor in its weight and size. The Sigma SD1 has exterior measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of n/a grams (0.00 lbs) while the Sony A7R IV has specifications of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs).

Contrast the Sigma SD1 versus Sony A7R IV in our newest Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ dependant on the lens you are employing at that moment. Here is the front view measurement comparison of the SD1 compared to the A7R IV.

Looking at dimensions and weight, the portability score of the SD1 and A7R IV is 77 and 62 respectively.

Quite often, its hard to visualize the contrast between sensor measurements just by reading through specifications. The visual underneath should offer you a clearer sense of the sensor measurements in the SD1 and A7R IV.

Plainly, both of those cameras posses different megapixel count and different sensor measurements. The SD1 featuring a tinier sensor is going to make getting shallow DOF more difficult and the Sony A7R IV will resolve greater detail having its extra 46 Megapixels. Higher resolution will let you crop photographs somewhat more aggressively. The older SD1 is going to be disadvantaged when it comes to sensor innovation.