Olympus E-M10 III vs Sony A7 III

Its time to take a more detailed look at the Olympus E-M10 III vs Sony A7 III, former is a Entry-Level Mirrorless while the other is a Pro Mirrorless by rivals Olympus and Sony. There exists a considerable gap among the resolutions of the E-M10 III (16MP) and A7 III (24MP) and the E-M10 III (Four Thirds) and A7 III (Full frame) use totally different sensor measurements.

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The E-M10 III was introduced 6 months earlier than the A7 III which means that they are of a similar age. The two cameras come with the identical body type (SLR-style mirrorless).

Before delving in to a more detailed comparison, below is a brief summary of how the E-M10 III matches up versus the A7 III when considering portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Olympus OM-D E-M10 Mark III & Sony Alpha A7 III. The whole galleries are available at Olympus E-M10 III Gallery & Sony A7 III Gallery.

In case you're intending to travel with your camera regularly, you're going to have to think about its weight and size. The Olympus E-M10 III features outside dimensions of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") and a weight of 410 grams (0.90 lbs) whilst the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

See the Olympus E-M10 III vs Sony A7 III in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ based on the lens you select at the time. Below is the front view over all size comparison of the E-M10 III compared to the A7 III.

Taking into account dimensions and weight, the portability score of the E-M10 III and A7 III is 80 and 63 respectively.

Sometimes, it can be tough to visualise the contrast in sensor dimensions purely by seeing a spec sheet. The pic below may give you a greater sense of the sensor sizes in the E-M10 III and A7 III.

Clearly, both of those cameras have got different megapixel count and different sensor dimensions. The E-M10 III with its smaller sensor will make shooting shallower depth of field more challenging and the Sony A7 III will produce extra detail using its extra 8 Megapixels. Greater resolution can also help you crop photos much more aggressively.