Olympus E-520 vs Panasonic G7

On this page, we will be contrasting the Olympus E-520 and Panasonic G7, former being a Entry-Level DSLR while the latter is a Advanced Mirrorless by companies Olympus and Panasonic. There is a large difference between the sensor resolutions of the E-520 (10MP) and G7 (16MP) but both cameras provide the same sensor measurements (Four Thirds).

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The E-520 was unveiled 7 years prior to the G7 and that is quite a serious difference as far as tech is concerned. Both cameras have different body design with the Olympus E-520 being a Compact SLR camera and the Panasonic G7 being a SLR-style mirrorless camera.

Before diving straight to a thorough comparison, here is a concise overview of how the E-520 scores versus the G7 in the way of portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Olympus E-520 & Panasonic Lumix DMC-G7. The full galleries are available at Olympus E-520 Gallery & Panasonic G7 Gallery.

If you're aiming to carry your camera, you will want to factor in its weight and volume. The Olympus E-520 enjoys external measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") and a weight of 552 grams (1.22 lbs) while the Panasonic G7 has sizing of 125mm x 86mm x 77mm (4.9" x 3.4" x 3.0") and a weight of 410 grams (0.90 lbs).

See the Olympus E-520 and Panasonic G7 in our newest Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary depending on the lens you have chosen at the time. Following is a front view measurement comparison of the E-520 compared to the G7.

Using size and weight, the portability rating of the E-520 and G7 is 68 and 71 respectively.

In many cases, its hard to see the contrast between sensor sizing purely by looking at a spec sheet. The graphic underneath may give you a far better sense of the sensor measurements in the E-520 and G7.

As you can see, the two cameras provide the same sensor dimensions albeit not the same MP. You can count on the Panasonic G7 to resolve more detail having an extra 6MP. Higher resolution will let you crop photographs more aggressively. The older E-520 is going to be behind when it comes to sensor innovation.