Sigma SD15 vs Sony A7S II

The following is a in-depth assessment of the Sigma SD15 and Sony A7S II, one is a Advanced DSLR and the other is a Pro Mirrorless by competitors Sigma and Sony. There exists a big gap among the sensor resolutions of the SD15 (5MP) and A7S II (12MP) and the SD15 (APS-C) and A7S II (Full frame) possess totally different sensor sizing.

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The SD15 was launched 6 years earlier than the A7S II 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 II being a SLR-style mirrorless camera.

Before diving in to a in-depth comparison, below is a concise summary of how the SD15 grades against the A7S II in the way of portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Sigma SD15 and Sony Alpha A7S II. The complete galleries are provided at Sigma SD15 Gallery and Sony A7S II Gallery.

For anyone who is looking to travel with your camera often, you have to think about its weight and measurements. The Sigma SD15 provides exterior measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") with a weight of 750 grams (1.65 lbs) while the Sony A7S II has proportions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 627 grams (1.38 lbs).

Check the Sigma SD15 and Sony A7S II in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at that moment. The following is the front view physical size comparison of the SD15 and the A7S II.

Taking into account dimensions and weight, the portability score of the SD15 and A7S II is 59 and 68 respectively.

Sometimes, it can be hard to visualise the contrast in sensor dimensions just by going through technical specs. The pic here should provide you a better sense of the sensor measurements in the SD15 and A7S II.

As you have seen, each of these cameras posses different resolutions and different sensor dimensions. The SD15 due to its smaller sensor will make shooting bokeh more challenging and the Sony A7S II will provide more detail utilizing its extra 7 Megapixels. Greater resolution can also help you crop pics somewhat more aggressively. The more aged SD15 will be disadvantaged when it comes to sensor innovation.