Olympus E-M5 III vs Sigma Quattro

Below is a extensive overview of the Olympus E-M5 III versus Sigma Quattro, both Advanced Mirrorless digital cameras by competitors Olympus and Sigma. There exists a noticeable gap between the image resolutions of the E-M5 III (20MP) and Quattro (29MP) and the E-M5 III (Four Thirds) and Quattro (APS-C) have different sensor dimensions.

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The E-M5 III was brought out 3 years later than the Quattro and that is quite a sizable difference as far as technology is concerned. Both the cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sigma Quattro being a Rangefinder-style mirrorless camera.

Before diving right into a thorough comparison, here is a quick summary of how the E-M5 III grades vs the Quattro when it comes to portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Olympus OM-D E-M5 III & Sigma sd Quattro. The entire galleries are available at Olympus E-M5 III Gallery & Sigma Quattro Gallery.

For anyone who is looking to lug around your camera frequently, you're going to have to factor its weight and volume. The Olympus E-M5 III provides external measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") and a weight of 414 grams (0.91 lbs) whilst the Sigma Quattro has sizing of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") having a weight of 625 grams (1.38 lbs).

Compare the Olympus E-M5 III versus Sigma Quattro in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ depending on the lens you have attached at that moment. Following is a front view over all size comparison of the E-M5 III versus the Quattro.

Using dimensions and weight, the portability rating of the E-M5 III and Quattro is 80 and 63 respectively.

Quite often, it's difficult to picture the contrast between sensor measurements simply by reading specifications. The photograph here may give you a greater sense of the sensor sizing in the E-M5 III and Quattro.

To sum up, both of the cameras provide different megapixels and different sensor measurements. The E-M5 III due to its tinier sensor is going to make shooting shallower depth of field more challenging and the Sigma Quattro will offer you greater detail having its extra 9MP. Greater resolution will also allow you to crop photos more aggressively. The fresher E-M5 III should have an advantage when it comes to sensor technology.