Olympus E-3 vs Sony A7R IV

Here, we will be comparing the Olympus E-3 vs Sony A7R IV, one being a Advanced DSLR and the latter is a Pro Mirrorless by companies Olympus and Sony. There exists a sizeable gap among the resolutions of the E-3 (10MP) and A7R IV (61MP) and the E-3 (Four Thirds) and A7R IV (Full frame) provide totally different sensor sizing.

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The E-3 was brought out 12 years before the A7R IV and that is a fairly large gap as far as camera technology is concerned. Each of the cameras feature different body design with the Olympus E-3 being a Mid-size SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before we go right into a detailed comparison, here is a brief highlight of how the E-3 grades versus the A7R IV when considering portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Olympus E-3 and Sony Alpha A7R IV. The entire galleries are available at Olympus E-3 Gallery and Sony A7R IV Gallery.

For anybody who is intending to lug around your camera, you'll have to factor its weight and measurements. The Olympus E-3 comes with external dimensions of 142mm x 116mm x 75mm (5.6" x 4.6" x 3.0") having a weight of 890 grams (1.96 lbs) while the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).

Contrast the Olympus E-3 vs Sony A7R IV in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilising at the time. Here is a front view measurement comparison of the E-3 against the A7R IV.

Factoring in dimensions and weight, the portability score of the E-3 and A7R IV is 56 and 62 respectively.

Quite often, its difficult to see the contrast in sensor measurements just by seeing a spec sheet. The photograph below will help offer you a greater sense of the sensor dimensions in the E-3 and A7R IV.

As you can see, both the cameras feature different megapixels and different sensor measurements. The E-3 due to its smaller sensor will make getting bokeh more challenging and the Sony A7R IV will produce greater detail having its extra 51 Megapixels. Higher resolution will also enable you to crop photographs way more aggressively. The older E-3 will be disadvantaged when it comes to sensor technology.