Sigma SD15 vs Sony A7S III

The following is a extended overview of the Sigma SD15 versus Sony A7S III, one is a Advanced DSLR and the latter is a Pro Mirrorless by brands Sigma and Sony. There exists a big gap among the image resolutions of the SD15 (5MP) and A7S III (12MP) and the SD15 (APS-C) and A7S III (Full frame) enjoy totally different sensor measurements.

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The SD15 was launched 11 years prior to the A7S III which is a fairly big gap as far as camera technology is concerned. Both cameras come with different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony A7S III being a SLR-style mirrorless camera.

Before we go in to a step-by-step comparison, below is a brief summation of how the SD15 matches up versus the A7S III when considering portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Sigma SD15 and Sony Alpha A7S III. The complete galleries are available at Sigma SD15 Gallery and Sony A7S III Gallery.

In case you're intending to travel with your camera regularly, you'll need to think about its weight and volume. The Sigma SD15 enjoys external measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") along with a weight of 750 grams (1.65 lbs) while the Sony A7S III has sizing of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs).

Take a look at the Sigma SD15 versus Sony A7S III in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at that moment. Below is the front view dimension comparison of the SD15 compared to the A7S III.

Taking into account dimensions and weight, the portability rating of the SD15 and A7S III is 59 and 61 respectively.

Typically, its hard to see the gap in sensor dimensions just by looking through specs. The picture underneath should offer you a stronger sense of the sensor sizing in the SD15 and A7S III.

All in all, both of the cameras have got different megapixels and different sensor dimensions. The SD15 due to its smaller sensor will make getting bokeh harder and the Sony A7S III will result in extra detail utilizing its extra 7MP. Higher resolution will also allow you to crop shots much more aggressively. The more aged SD15 will be disadvantaged with regard to sensor technology.