Nikon D500 vs Olympus E-M1 III

Following is a detailed analysis of the Nikon D500 versus Olympus E-M1 III, one is a Advanced DSLR and the latter is a Pro Mirrorless by manufacturers Nikon and Olympus. The sensor resolution of the D500 (21MP) and the E-M1 III (20MP) is relatively well matched but the D500 (APS-C) and E-M1 III (Four Thirds) offer different sensor measurements.

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The D500 was introduced 5 years earlier than the E-M1 III which is quite a large gap as far as technology is concerned. Both the cameras have different body design with the Nikon D500 being a Mid-size SLR camera and the Olympus E-M1 III being a SLR-style mirrorless camera.

Before diving into a full comparison, here is a quick overview of how the D500 matches up vs the E-M1 III for portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Nikon D500 and Olympus OM-D E-M1 Mark III. The whole galleries are available at Nikon D500 Gallery and Olympus E-M1 III Gallery.

When you are aiming to carry around your camera, you'll need to consider its weight and dimensions. The Nikon D500 offers exterior measurements of 147mm x 115mm x 81mm (5.8" x 4.5" x 3.2") accompanied by a weight of 860 grams (1.90 lbs) while the Olympus E-M1 III has dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs).

Check the Nikon D500 versus Olympus E-M1 III in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at that moment. Below is a front view measurement comparison of the D500 compared to the E-M1 III.

Looking at dimensions and weight, the portability score of the D500 and E-M1 III is 56 and 67 respectively.

More often than not, it can be hard to picture the difference between sensor sizes just by looking at specifications. The image below will help give you a clearer sense of the sensor measurements in the D500 and E-M1 III.

Plainly, both cameras have different megapixel count and different sensor sizes. The D500 with its bigger sensor is going to make achieving shallow depth of field less difficult and the Nikon D500 will give you greater detail using its extra 1 Megapixels. Higher resolution will also make it easier to crop shots a bit more aggressively. The more aged D500 is going to be behind when it comes to sensor technology.