Olympus E-PL3 vs Sony A7R III

In this write-up, we are comparing the Olympus E-PL3 versus Sony A7R III, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by brands Olympus and Sony. There exists a significant gap between the sensor resolutions of the E-PL3 (12MP) and A7R III (42MP) and the E-PL3 (Four Thirds) and A7R III (Full frame) possess different sensor dimensions.

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The E-PL3 was unveiled 7 years before the A7R III which is quite a sizable gap as far as technology is concerned. Both the cameras offer different body type with the Olympus E-PL3 being a Rangefinder-style mirrorless camera and the Sony A7R III being a SLR-style mirrorless camera.

Before delving in to a in depth comparison, below is a quick view of how the E-PL3 matches up against the A7R III in relation to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Olympus PEN E-PL3 and Sony Alpha A7R III. The full galleries are provided at Olympus E-PL3 Gallery and Sony A7R III Gallery.

For those who are planning to travel with your camera often, you will need to factor in its weight and proportions. The Olympus E-PL3 offers outside dimensions of 110mm x 64mm x 37mm (4.3" x 2.5" x 1.5") having a weight of 313 grams (0.69 lbs) and the Sony A7R III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).

Contrast the Olympus E-PL3 versus Sony A7R III in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you use during that time. The following is the front view over all size comparison of the E-PL3 vs the A7R III.

Factoring in dimensions and weight, the portability grade of the E-PL3 and A7R III is 88 and 63 respectively.

More often than not, its difficult to picture the difference between sensor dimensions only by reviewing specs. The picture below will help offer you a clearer sense of the sensor sizes in the E-PL3 and A7R III.

As you can plainly see, each of the cameras offer different megapixel count and different sensor dimensions. The E-PL3 using its tinier sensor is going to make getting shallow DOF harder and the Sony A7R III will offer you more detail having an extra 30 Megapixels. Greater resolution will also let you crop photos a little more aggressively. The more aged E-PL3 is going to be behind with regard to sensor tech.