Olympus E-M1 III vs Panasonic FS7

Following is a in-depth comparison of the Olympus E-M1 III and Panasonic FS7, former is a Pro Mirrorless while the other is a Ultracompact by brands Olympus and Panasonic. There is a large difference between the sensor resolutions of the E-M1 III (20MP) and FS7 (10MP) and the E-M1 III (Four Thirds) and FS7 (1/2.5") have totally different sensor measurements.

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The E-M1 III was revealed 11 years after the FS7 which is quite a serious difference as far as tech is concerned. Both of these cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic FS7 being a Ultracompact camera.

Before we go right into a in depth comparison, here is a quick overview of how the E-M1 III matches up against the FS7 with respect to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-FS7. The full galleries are available at Olympus E-M1 III Gallery & Panasonic FS7 Gallery.

In case you're going to carry around your camera, you're going to have to factor in its weight and size. The Olympus E-M1 III features outside measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs) while the Panasonic FS7 has specifications of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") and a weight of 139 grams (0.31 lbs).

Contrast the Olympus E-M1 III and Panasonic FS7 in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ depending on the lens you are utilizing at that time. Here is a front view size comparison of the E-M1 III compared to the FS7.

Using size and weight, the portability grade of the E-M1 III and FS7 is 67 and 95 respectively.

Oftentimes, it's tough to visualise the gap between sensor sizes just by checking specs. The picture here will help offer you a stronger sense of the sensor measurements in the E-M1 III and FS7.

As you can plainly see, both of those cameras have different megapixels and different sensor sizes. The E-M1 III having a larger sensor will make shooting shallow depth of field easier and the Olympus E-M1 III will give you greater detail because of its extra 10 Megapixels. Greater resolution can also let you crop pics a bit more aggressively. The more modern E-M1 III is going to have an advantage with regard to sensor technology.