Olympus E-M5 II vs Sony A7S III

Lets look much closer at the Olympus E-M5 II versus Sony A7S III, one being a Advanced Mirrorless and the other is a Pro Mirrorless by companies Olympus and Sony. There is a big difference between the resolutions of the E-M5 II (16MP) and A7S III (12MP) and the E-M5 II (Four Thirds) and A7S III (Full frame) offer different sensor sizing.

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The E-M5 II was revealed 6 years prior to the A7S III and that is quite a big gap as far as tech is concerned. Both of these cameras have the same body design (SLR-style mirrorless).

Before going into a in depth comparison, here is a concise synopsis of how the E-M5 II grades vs the A7S III in relation to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Olympus OM-D E-M5 II and Sony Alpha A7S III. The full galleries are viewable at Olympus E-M5 II Gallery and Sony A7S III Gallery.

In case you're planning to lug around your camera often, you will have to consider its weight and size. The Olympus E-M5 II enjoys exterior measurements of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") with a weight of 469 grams (1.03 lbs) whilst the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs).

Examine the Olympus E-M5 II versus Sony A7S III in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using during that time. Below is a front view over all size comparison of the E-M5 II vs the A7S III.

Taking into account size and weight, the portability rating of the E-M5 II and A7S III is 80 and 61 respectively.

Often, it is tough to imagine the difference between sensor measurements merely by reading specs. The graphic here should give you a stronger sense of the sensor measurements in the E-M5 II and A7S III.

All in all, both cameras provide different megapixels and different sensor measurements. The E-M5 II having a tinier sensor is going to make getting shallower DOF trickier and the Olympus E-M5 II will offer you greater detail because of its extra 4MP. Greater resolution can also allow you to crop images more aggressively. The older E-M5 II is going to be behind with regard to sensor tech.