Olympus E-M10 vs Sony A7S II

Its time to look much closer at the Olympus E-M10 vs Sony A7S II, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by rivals Olympus and Sony. There exists a big gap between the sensor resolutions of the E-M10 (16MP) and A7S II (12MP) and the E-M10 (Four Thirds) and A7S II (Full frame) offer different sensor dimensions.

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The E-M10 was introduced 19 months prior to the A7S II which makes them a generation away from one another. Both of the cameras feature the same body design (SLR-style mirrorless).

Before we go straight to a in-depth comparison, here is a simple overview of how the E-M10 scores versus the A7S II when it comes to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Olympus OM-D E-M10 and Sony Alpha A7S II. The whole galleries are viewable at Olympus E-M10 Gallery and Sony A7S II Gallery.

If you're planning to carry around your camera often, you are going to need to factor its weight and proportions. The Olympus E-M10 comes with outside measurements of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") along with a weight of 396 grams (0.87 lbs) whilst the Sony A7S II has measurements of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 627 grams (1.38 lbs).

Compare the Olympus E-M10 vs Sony A7S II in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen at that moment. Here is a front view dimensions comparison of the E-M10 vs the A7S II.

Taking into consideration dimensions and weight, the portability rating of the E-M10 and A7S II is 82 and 68 respectively.

Typically, it's difficult to picture the gap between sensor sizes just by checking a spec sheet. The pic here will give you a far better sense of the sensor sizing in the E-M10 and A7S II.

Clearly, both cameras feature different megapixels and different sensor sizes. The E-M10 having a tinier sensor is going to make getting shallower DOF harder and the Olympus E-M10 will give you extra detail using its extra 4 Megapixels. Higher resolution will enable you to crop pictures way more aggressively. The more aged E-M10 is going to be disadvantaged in sensor tech.