Olympus E-M10 III vs Sony A7R II

Its time to look more closely at the Olympus E-M10 III vs Sony A7R II, former being a Entry-Level Mirrorless while the latter is a Pro Mirrorless by companies Olympus and Sony. There is a sizable difference between the image resolutions of the E-M10 III (16MP) and A7R II (42MP) and the E-M10 III (Four Thirds) and A7R II (Full frame) provide totally different sensor measurements.

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The E-M10 III was brought out 2 years later than the A7R II and that is quite a significant difference as far as tech is concerned. Both of these cameras feature the same body design (SLR-style mirrorless).

Before diving straight to a more detailed comparison, here is a brief summary of how the E-M10 III scores vs the A7R II in terms of portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Olympus OM-D E-M10 Mark III & Sony Alpha A7R II. The entire galleries are provided at Olympus E-M10 III Gallery & Sony A7R II Gallery.

For anybody who is intending to lug around your camera frequently, you'll need to factor in its weight and measurements. The Olympus E-M10 III features exterior measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") along with a weight of 410 grams (0.90 lbs) and the Sony A7R II has proportions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") with a weight of 625 grams (1.38 lbs).

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

Keep in mind, the weight of an ILC will differ based on the lens you have during that time. Following is a front view sizing comparison of the E-M10 III versus the A7R II.

Taking into account size and weight, the portability grade of the E-M10 III and A7R II is 80 and 68 respectively.

Often, its hard to visualise the contrast between sensor measurements simply by reviewing a spec sheet. The photograph below will help offer you a greater sense of the sensor sizing in the E-M10 III and A7R II.

Clearly, both of the cameras feature different megapixels and different sensor measurements. The E-M10 III because of its tinier sensor will make shooting shallower DOF more challenging and the Sony A7R II will offer greater detail having its extra 26MP. Higher resolution will help you crop pictures way more aggressively. The more modern E-M10 III will have an advantage when it comes to sensor innovation.