Olympus E-M1 III vs Panasonic FZ300

In this article, we will be comparing the Olympus E-M1 III versus Panasonic FZ300, one being a Pro Mirrorless and the latter is a Small Sensor Superzoom by rivals Olympus and Panasonic. There exists a huge gap among the sensor resolutions of the E-M1 III (20MP) and FZ300 (12MP) and the E-M1 III (Four Thirds) and FZ300 (1/2.3") come with totally different sensor measurements.

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The E-M1 III was introduced 4 years later than the FZ300 and that is a fairly significant gap as far as camera technology is concerned. Both the cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic FZ300 being a SLR-like (bridge) camera.

Before getting through a more detailed comparison, below is a concise overview of how the E-M1 III matches up against the FZ300 in regards to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Olympus OM-D E-M1 Mark III and Panasonic Lumix DMC-FZ300. The whole galleries are available at Olympus E-M1 III Gallery and Panasonic FZ300 Gallery.

If you are aiming to lug around your camera regularly, you will want to consider its weight and volume. The Olympus E-M1 III provides physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) whilst the Panasonic FZ300 has sizing of 132mm x 92mm x 117mm (5.2" x 3.6" x 4.6") and a weight of 691 grams (1.52 lbs).

See the Olympus E-M1 III versus Panasonic FZ300 in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with during that time. Here is the front view scale comparison of the E-M1 III against the FZ300.

Considering dimensions and weight, the portability rating of the E-M1 III and FZ300 is 67 and 59 respectively.

More often than not, it is very tough to see the contrast in sensor measurements merely by looking through a spec sheet. The photograph underneath will offer you a clearer sense of the sensor dimensions in the E-M1 III and FZ300.

As you can see, the two cameras enjoy different megapixel count and different sensor measurements. The E-M1 III having a bigger sensor will make shooting shallower DOF easier and the Olympus E-M1 III will result in greater detail using its extra 8MP. Higher resolution can also help you crop photographs far more aggressively. The more modern E-M1 III is going to have an edge in sensor innovation.