Olympus E-M10 III vs Sony A390

Here is a thorough overview of the Olympus E-M10 III and Sony A390, one being a Entry-Level Mirrorless and the other is a Entry-Level DSLR by competitors Olympus and Sony. The resolution of the E-M10 III (16MP) and the A390 (14MP) is very comparable but the E-M10 III (Four Thirds) and A390 (APS-C) have totally different sensor measurements.

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The E-M10 III was brought out 7 years later than the A390 and that is a fairly large gap as far as camera technology is concerned. Both the cameras feature different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Sony A390 being a Compact SLR camera.

Before getting into a in-depth comparison, here is a concise highlight of how the E-M10 III scores versus the A390 in the way of portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Olympus OM-D E-M10 Mark III and Sony Alpha DSLR-A390. The entire galleries are viewable at Olympus E-M10 III Gallery and Sony A390 Gallery.

If you're aiming to carry your camera often, you should take into account its weight and volume. The Olympus E-M10 III comes with exterior dimensions of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") having a weight of 410 grams (0.90 lbs) and the Sony A390 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") accompanied by a weight of 549 grams (1.21 lbs).

Check the Olympus E-M10 III and Sony A390 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at the time. Below is a front view over all size comparison of the E-M10 III vs the A390.

Factoring in dimensions and weight, the portability score of the E-M10 III and A390 is 80 and 66 respectively.

Quite often, its difficult to visualise the contrast in sensor sizing just by seeing a spec sheet. The visual below may offer you a more clear sense of the sensor sizes in the E-M10 III and A390.

As you can see, the two cameras feature different resolutions and different sensor sizing. The E-M10 III due to its smaller sensor will make getting bokeh harder and the Olympus E-M10 III will show greater detail having its extra 2 Megapixels. Greater resolution will help you crop photos way more aggressively. The more modern E-M10 III is going to have a benefit with regard to sensor technology.