Olympus E-1 vs Sony A7R III

The following is a extended overview of the Olympus E-1 and Sony A7R III, one is a Pro DSLR and the latter is a Pro Mirrorless by rivals Olympus and Sony. There exists a big gap between the resolutions of the E-1 (5MP) and A7R III (42MP) and the E-1 (Four Thirds) and A7R III (Full frame) provide totally different sensor dimensions.

Pentax 17 Pre-Orders Outperform Expectations by a Landslide

The E-1 was launched 15 years earlier than the A7R III which is quite a big gap as far as technology is concerned. Both cameras have different body design with the Olympus E-1 being a Large SLR camera and the Sony A7R III being a SLR-style mirrorless camera.

Before getting right into a thorough comparison, here is a brief introduction of how the E-1 matches up against the A7R III in the way of portability, imaging, features and an overall mark.

The following is a preview of the gallery photos for Olympus E-1 and Sony Alpha A7R III. The complete galleries are available at Olympus E-1 Gallery and Sony A7R III Gallery.

For those who are going to travel with your camera often, you're going to have to factor in its weight and volume. The Olympus E-1 has got physical dimensions of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 735 grams (1.62 lbs) and the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs).

Analyze the Olympus E-1 and Sony A7R III in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at that moment. Underneath is a front view measurement comparison of the E-1 versus the A7R III.

Taking into account dimensions and weight, the portability score of the E-1 and A7R III is 59 and 63 respectively.

Sometimes, it is very hard to see the gap between sensor dimensions purely by reviewing a spec sheet. The pic underneath may offer you a greater sense of the sensor dimensions in the E-1 and A7R III.

As you can see, both cameras have different megapixel count and different sensor dimensions. The E-1 because of its tinier sensor will make achieving shallow depth of field more challenging and the Sony A7R III will deliver more detail utilizing its extra 37MP. Higher resolution can also allow you to crop pictures a bit more aggressively. The more aged E-1 is going to be behind with regard to sensor technology.