Olympus E-520 vs Sony A7R IV

The following is a detailed comparison of the Olympus E-520 vs Sony A7R IV, former is a Entry-Level DSLR while the other is a Pro Mirrorless by companies Olympus and Sony. There is a considerable difference among the sensor resolutions of the E-520 (10MP) and A7R IV (61MP) and the E-520 (Four Thirds) and A7R IV (Full frame) offer different sensor measurements.

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The E-520 was brought out 12 years before the A7R IV which is a fairly large difference as far as camera tech is concerned. Both of the cameras have different body design with the Olympus E-520 being a Compact SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before getting right into a in-depth comparison, here is a brief summary of how the E-520 matches up against the A7R IV in regards to portability, imaging, features and an overall mark.

Following is a sample of the gallery pics for Olympus E-520 & Sony Alpha A7R IV. The entire galleries are provided at Olympus E-520 Gallery & Sony A7R IV Gallery.

If you're going to travel with your camera, you should factor in its weight and size. The Olympus E-520 provides external measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") with a weight of 552 grams (1.22 lbs) and the Sony A7R IV has specifications of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).

Examine the Olympus E-520 vs Sony A7R IV in our brand new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you choose at that time. Following is a front view proportions comparison of the E-520 compared to the A7R IV.

Considering size and weight, the portability grade of the E-520 and A7R IV is 68 and 62 respectively.

Generally, it can be tough to visualize the difference in sensor dimensions merely by going through a spec sheet. The image underneath will help give you a stronger sense of the sensor sizing in the E-520 and A7R IV.

Clearly, both the cameras provide different megapixel count and different sensor dimensions. The E-520 due to its smaller sensor is going to make achieving shallower DOF tougher and the Sony A7R IV will show extra detail having its extra 51 Megapixels. Greater resolution can also help you crop images more aggressively. The more aged E-520 will be behind in sensor technology.