Olympus E-M5 III vs Panasonic ZS20

In this write-up, we are evaluating the Olympus E-M5 III versus Panasonic ZS20, former is a Advanced Mirrorless while the other is a Small Sensor Superzoom by competitors Olympus and Panasonic. There exists a considerable gap between the image resolutions of the E-M5 III (20MP) and ZS20 (14MP) and the E-M5 III (Four Thirds) and ZS20 (1/2.3") enjoy different sensor measurements.

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The E-M5 III was announced 7 years after the ZS20 which is quite a large difference as far as technology is concerned. Each of the cameras offer different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Panasonic ZS20 being a Compact camera.

Before going in to a step-by-step comparison, below is a brief introduction of how the E-M5 III matches up versus the ZS20 when it comes to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Olympus OM-D E-M5 III & Panasonic Lumix DMC-ZS20. The whole galleries are available at Olympus E-M5 III Gallery & Panasonic ZS20 Gallery.

For anyone who is aiming to carry around your camera, you will have to take into account its weight and dimensions. The Olympus E-M5 III has got outer dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) and the Panasonic ZS20 has dimensions of 105mm x 59mm x 28mm (4.1" x 2.3" x 1.1") having a weight of 206 grams (0.45 lbs).

Look at the Olympus E-M5 III versus Panasonic ZS20 in our newest Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ based on the lens you use at that moment. Below is the front view dimensions comparison of the E-M5 III compared to the ZS20.

Using dimensions and weight, the portability score of the E-M5 III and ZS20 is 80 and 92 respectively.

Sometimes, its tough to picture the gap between sensor sizes just by checking specs. The image underneath might offer you a clearer sense of the sensor sizes in the E-M5 III and ZS20.

As you can plainly see, the two cameras enjoy different resolutions and different sensor sizes. The E-M5 III with its larger sensor is going to make shooting shallower depth of field easier and the Olympus E-M5 III will give more detail with its extra 6MP. Greater resolution will also allow you to crop photos far more aggressively. The younger E-M5 III should have a benefit in sensor tech.