Nikon Z7 vs Olympus E-520

Below is a in depth review of the Nikon Z7 vs Olympus E-520, former being a Pro Mirrorless while the latter is a Entry-Level DSLR by competitors Nikon and Olympus. There exists a sizable gap among the sensor resolutions of the Z7 (46MP) and E-520 (10MP) and the Z7 (Full frame) and E-520 (Four Thirds) have totally different sensor size.

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The Z7 was manufactured 10 years later than the E-520 and that is a fairly significant difference as far as camera technology is concerned. Both cameras feature different body design with the Nikon Z7 being a SLR-style mirrorless camera and the Olympus E-520 being a Compact SLR camera.

Before getting straight to a step-by-step comparison, here is a brief overview of how the Z7 scores against the E-520 in relation to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Nikon Z7 & Olympus E-520. The entire galleries are available at Nikon Z7 Gallery & Olympus E-520 Gallery.

When you are looking to lug around your camera, you will have to think about its weight and dimensions. The Nikon Z7 comes with physical measurements of 134mm x 101mm x 68mm (5.3" x 4.0" x 2.7") accompanied by a weight of 675 grams (1.49 lbs) and the Olympus E-520 has dimensions of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") and a weight of 552 grams (1.22 lbs).

Take a look at the Nikon Z7 vs Olympus E-520 in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary dependant on the lens you select during that time. Below is a front view overall size comparison of the Z7 versus the E-520.

Factoring in dimensions and weight, the portability grade of the Z7 and E-520 is 62 and 68 respectively.

Normally, it's difficult to envision the contrast in sensor measurements just by looking through specs. The visual here may give you a far better sense of the sensor sizing in the Z7 and E-520.

As you can plainly see, both of those cameras come with different megapixels and different sensor measurements. The Z7 featuring a bigger sensor will make getting shallow depth of field less difficult and the Nikon Z7 will result in more detail due to its extra 36MP. Higher resolution will also allow you to crop shots a good deal more aggressively. The more modern Z7 will have a benefit when it comes to sensor technology.