Olympus E-M1 III vs Sony NEX-5T

In this article, we are matching up the Olympus E-M1 III and Sony NEX-5T, one is a Pro Mirrorless and the other is a Entry-Level Mirrorless by companies Olympus and Sony. There exists a big gap among the sensor resolutions of the E-M1 III (20MP) and NEX-5T (16MP) and the E-M1 III (Four Thirds) and NEX-5T (APS-C) enjoy different sensor size.

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The E-M1 III was introduced 6 years after the NEX-5T which is a fairly big gap as far as camera technology is concerned. Both of these cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony NEX-5T being a Rangefinder-style mirrorless camera.

Before going straight into a step-by-step comparison, below is a simple introduction of how the E-M1 III grades versus the NEX-5T with regard to portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III and Sony Alpha NEX-5T. The whole galleries are viewable at Olympus E-M1 III Gallery and Sony NEX-5T Gallery.

For those who are looking to carry around your camera often, you will have to think about its weight and size. The Olympus E-M1 III features outer measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) while the Sony NEX-5T has specifications of 111mm x 59mm x 39mm (4.4" x 2.3" x 1.5") having a weight of 276 grams (0.61 lbs).

Contrast the Olympus E-M1 III and Sony NEX-5T in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising at that moment. Underneath is the front view sizing comparison of the E-M1 III compared to the NEX-5T.

Looking at dimensions and weight, the portability score of the E-M1 III and NEX-5T is 67 and 89 respectively.

Normally, it can be difficult to picture the difference in sensor sizes purely by seeing specifications. The image below will offer you a better sense of the sensor measurements in the E-M1 III and NEX-5T.

Plainly, both of those cameras enjoy different resolutions and different sensor sizes. The E-M1 III using its smaller sensor is going to make shooting shallower DOF more difficult and the Olympus E-M1 III will show greater detail using its extra 4 Megapixels. Greater resolution will also help you crop images far more aggressively. The more recent E-M1 III provides a benefit with regard to sensor tech.