Sigma SD1 vs Sony A7S III

Here, we are matching up the Sigma SD1 versus Sony A7S III, former being a Advanced DSLR while the other is a Pro Mirrorless by competitors Sigma and Sony. There is a large difference between the resolutions of the SD1 (15MP) and A7S III (12MP) and the SD1 (APS-C) and A7S III (Full frame) posses different sensor size.

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The SD1 was unveiled 10 years before the A7S III and that is quite a serious difference as far as tech is concerned. Both of the cameras feature different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony A7S III being a SLR-style mirrorless camera.

Before delving right into a in depth comparison, here is a brief highlight of how the SD1 scores versus the A7S III in relation to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Sigma SD1 & Sony Alpha A7S III. The full galleries are available at Sigma SD1 Gallery & Sony A7S III Gallery.

For those who are looking to lug around your camera frequently, you will need to think about its weight and dimensions. The Sigma SD1 has got outer measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of n/a grams (0.00 lbs) while the Sony A7S III has dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs).

Examine the Sigma SD1 versus Sony A7S III in our brand new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary based on the lens you are utilizing at that time. Underneath is a front view overall size comparison of the SD1 vs the A7S III.

Taking into account size and weight, the portability score of the SD1 and A7S III is 77 and 61 respectively.

In many cases, it is difficult to visualize the contrast between sensor measurements purely by going over a spec sheet. The visual below will give you a stronger sense of the sensor measurements in the SD1 and A7S III.

As you can see, each of the cameras feature different megapixels and different sensor measurements. The SD1 with its tinier sensor is going to make getting bokeh more challenging and the Sigma SD1 will offer you more detail having an extra 3 Megapixels. Greater resolution will enable you to crop images way more aggressively. The older SD1 is going to be behind when it comes to sensor tech.