Olympus E-M5 III vs Sigma SD15

Below is a complete assessment of the Olympus E-M5 III versus Sigma SD15, former being a Advanced Mirrorless while the other is a Advanced DSLR by competitors Olympus and Sigma. There exists a noticeable gap among the resolutions of the E-M5 III (20MP) and SD15 (5MP) and the E-M5 III (Four Thirds) and SD15 (APS-C) offer different sensor sizing.

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The E-M5 III was unveiled 9 years later than the SD15 and that is a fairly sizable difference as far as camera technology is concerned. The two cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sigma SD15 being a Mid-size SLR camera.

Before delving into a in depth comparison, here is a short summation of how the E-M5 III matches up vs the SD15 when considering portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus OM-D E-M5 III & Sigma SD15. The full galleries are provided at Olympus E-M5 III Gallery & Sigma SD15 Gallery.

For anybody who is planning to lug around your camera often, you'll need to take into account its weight and proportions. The Olympus E-M5 III has external measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) whilst the Sigma SD15 has measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs).

Contrast the Olympus E-M5 III versus Sigma SD15 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary based on the lens you are utilising at the time. The following is a front view scale comparison of the E-M5 III and the SD15.

Taking into account dimensions and weight, the portability rating of the E-M5 III and SD15 is 80 and 59 respectively.

Sometimes, it is very hard to picture the difference in sensor measurements only by looking through specifications. The visual below may provide you a more clear sense of the sensor sizing in the E-M5 III and SD15.

To sum up, the two cameras provide different megapixel count and different sensor measurements. The E-M5 III with its smaller sensor is going to make getting bokeh harder and the Olympus E-M5 III will render extra detail having an extra 15 Megapixels. Greater resolution will also make it easier to crop photos more aggressively. The more modern E-M5 III should have an edge with regard to sensor tech.