Olympus E-M1 III vs Sony NEX-3

Here is a detailed overview of the Olympus E-M1 III versus Sony NEX-3, one being a Pro Mirrorless and the other is a Entry-Level Mirrorless by competitors Olympus and Sony. There exists a sizeable gap between the sensor resolutions of the E-M1 III (20MP) and NEX-3 (14MP) and the E-M1 III (Four Thirds) and NEX-3 (APS-C) come with different sensor measurements.

Pentax 17 Pre-Orders Outperform Expectations by a Landslide

The E-M1 III was announced 9 years later than the NEX-3 and that is quite a large gap as far as technology is concerned. Both cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony NEX-3 being a Rangefinder-style mirrorless camera.

Before diving in to a in-depth comparison, below is a quick summation of how the E-M1 III matches up against the NEX-3 for portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III and Sony Alpha NEX-3. The whole galleries are available at Olympus E-M1 III Gallery and Sony NEX-3 Gallery.

In case you're going to carry your camera, you will need to factor in its weight and size. The Olympus E-M1 III offers outside dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Sony NEX-3 has specifications of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") having a weight of 297 grams (0.65 lbs).

Compare the Olympus E-M1 III versus Sony NEX-3 in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you are employing at that moment. Underneath is the front view scale comparison of the E-M1 III vs the NEX-3.

Factoring in dimensions and weight, the portability score of the E-M1 III and NEX-3 is 67 and 89 respectively.

Quite often, it can be tough to picture the contrast between sensor sizing only by reviewing specs. The visual below will help offer you a much better sense of the sensor dimensions in the E-M1 III and NEX-3.

All in all, both of those cameras have got different megapixel count and different sensor sizing. The E-M1 III having a tinier sensor is going to make getting shallower DOF more difficult and the Olympus E-M1 III will deliver extra detail with its extra 6MP. Greater resolution will also allow you to crop pics much more aggressively. The more modern E-M1 III provides an advantage with regard to sensor technology.