Sigma SD15 vs Sony A7c

Below is a extensive review of the Sigma SD15 versus Sony A7c, one being a Advanced DSLR and the other is a Advanced Mirrorless by rivals Sigma and Sony. There is a huge difference among the resolutions of the SD15 (5MP) and A7c (24MP) and the SD15 (APS-C) and A7c (Full frame) posses different sensor measurements.

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The SD15 was introduced 11 years before the A7c and that is a fairly significant gap as far as camera tech is concerned. Both of these cameras have different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before getting right into a thorough comparison, here is a brief overview of how the SD15 scores versus the A7c in the way of portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Sigma SD15 and Sony Alpha A7c. The whole galleries are viewable at Sigma SD15 Gallery and Sony A7c Gallery.

For anyone who is planning to lug around your camera regularly, you will want to factor in its weight and volume. The Sigma SD15 comes with external dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) while the Sony A7c has sizing of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") and a weight of 509 grams (1.12 lbs).

See the Sigma SD15 versus Sony A7c in the new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing at the time. The following is a front view overall size comparison of the SD15 compared to the A7c.

Looking at size and weight, the portability rating of the SD15 and A7c is 59 and 78 respectively.

Oftentimes, its hard to visualize the contrast in sensor measurements only by looking through a spec sheet. The photograph underneath will help provide you a much better sense of the sensor dimensions in the SD15 and A7c.

As you can see, the 2 cameras have different megapixels and different sensor measurements. The SD15 having a smaller sensor is going to make getting bokeh tougher and the Sony A7c will provide you with more detail using its extra 19MP. Greater resolution can also help you crop images a bit more aggressively. The older SD15 will be disadvantaged when it comes to sensor tech.