Olympus E-M10 III vs Sony A7R III

On this page, we are contrasting the Olympus E-M10 III vs Sony A7R III, former being a Entry-Level Mirrorless while the other is a Pro Mirrorless by brands Olympus and Sony. There is a substantial difference among the resolutions of the E-M10 III (16MP) and A7R III (42MP) and the E-M10 III (Four Thirds) and A7R III (Full frame) boast different sensor measurements.

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The E-M10 III was brought out very close to the A7R III which means that they are both of a similar age. Both of the cameras have the same body design (SLR-style mirrorless).

Before diving into a thorough comparison, here is a simple synopsis of how the E-M10 III grades against the A7R III for portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Olympus OM-D E-M10 Mark III & Sony Alpha A7R III. The entire galleries are viewable at Olympus E-M10 III Gallery & Sony A7R III Gallery.

When you are going to lug around your camera frequently, you have to think about its weight and volume. The Olympus E-M10 III has outside measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") and a weight of 410 grams (0.90 lbs) and the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).

Contrast the Olympus E-M10 III vs Sony A7R III in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ based on the lens you are utilising at the time. Below is a front view sizing comparison of the E-M10 III versus the A7R III.

Taking into consideration size and weight, the portability score of the E-M10 III and A7R III is 80 and 63 respectively.

Often, it is very hard to visualize the gap in sensor measurements simply by seeing technical specs. The photograph underneath may give you a much better sense of the sensor sizing in the E-M10 III and A7R III.

As you have seen, both of these cameras provide different megapixels and different sensor measurements. The E-M10 III due to its smaller sensor is going to make shooting bokeh trickier and the Sony A7R III will show extra detail having its extra 26 Megapixels. Greater resolution can also make it easier to crop pics more aggressively.