Sigma SD15 vs Sony A7S

Below is a thorough overview of the Sigma SD15 versus Sony A7S, former being a Advanced DSLR while the other is a Pro Mirrorless by manufacturers Sigma and Sony. There exists a considerable gap among the sensor resolutions of the SD15 (5MP) and A7S (12MP) and the SD15 (APS-C) and A7S (Full frame) use totally different sensor sizes.

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The SD15 was brought out 5 years prior to the A7S and that is a fairly large difference as far as camera technology is concerned. Both the cameras offer different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony A7S being a SLR-style mirrorless camera.

Before diving through a in depth comparison, below is a brief synopsis of how the SD15 scores versus the A7S in regards to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Sigma SD15 & Sony Alpha A7S. The entire galleries are available at Sigma SD15 Gallery & Sony A7S Gallery.

For anyone who is aiming to lug around your camera regularly, you have to consider its weight and volume. The Sigma SD15 features outer measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") having a weight of 750 grams (1.65 lbs) and the Sony A7S has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 489 grams (1.08 lbs).

Check the Sigma SD15 versus Sony A7S in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary dependant on the lens you are employing at that time. Below is the front view over all size comparison of the SD15 vs the A7S.

Taking into consideration dimensions and weight, the portability score of the SD15 and A7S is 59 and 77 respectively.

Sometimes, it is hard to see the difference in sensor measurements purely by going through specifications. The graphic here might provide you a better sense of the sensor sizing in the SD15 and A7S.

Plainly, both of the cameras offer different megapixels and different sensor measurements. The SD15 because of its smaller sensor will make shooting bokeh harder and the Sony A7S will provide extra detail having its extra 7MP. Greater resolution can also make it easier to crop images a little more aggressively. The older SD15 will be behind in sensor innovation.