Olympus E-520 vs Olympus E-M1 III

Here, we are matching up the Olympus E-520 and Olympus E-M1 III, one being a Entry-Level DSLR and the other is a Pro Mirrorless and both are manufactured by Olympus. There is a huge difference between the resolutions of the E-520 (10MP) and E-M1 III (20MP) but both cameras offer the identical sensor size (Four Thirds).

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The E-520 was revealed 12 years prior to the E-M1 III and that is quite a significant gap as far as tech is concerned. Each of these cameras feature different body design with the Olympus E-520 being a Compact SLR camera and the Olympus E-M1 III being a SLR-style mirrorless camera.

Before we go into a full comparison, here is a brief introduction of how the E-520 grades against the E-M1 III in the way of portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Olympus E-520 and Olympus OM-D E-M1 Mark III. The full galleries are viewable at Olympus E-520 Gallery and Olympus E-M1 III Gallery.

For those who are aiming to lug around your camera often, you are going to need to consider its weight and measurements. The Olympus E-520 provides physical 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 Olympus E-M1 III has proportions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs).

Check the Olympus E-520 and Olympus E-M1 III in the all new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary based on the lens you have chosen at that moment. The following is a front view dimensions comparison of the E-520 and the E-M1 III.

Using size and weight, the portability grade of the E-520 and E-M1 III is 68 and 67 respectively.

Oftentimes, its hard to imagine the gap between sensor measurements just by going over technical specs. The visual below will help offer you a much better sense of the sensor measurements in the E-520 and E-M1 III.

As you can tell, both of these cameras come with the identical sensor size but different megapixels. You should anticipate the Olympus E-M1 III to offer greater detail because of its extra 10MP. Greater resolution will allow you to crop images a good deal more aggressively. The older E-520 is going to be behind with regard to sensor technology.