Olympus E-M1 III vs Panasonic ZS7

Let's take a more detailed look at the Olympus E-M1 III versus Panasonic ZS7, former being a Pro Mirrorless while the other is a Small Sensor Superzoom by manufacturers Olympus and Panasonic. There is a sizable difference among the sensor resolutions of the E-M1 III (20MP) and ZS7 (12MP) and the E-M1 III (Four Thirds) and ZS7 (1/2.3") provide totally different sensor measurements.

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The E-M1 III was manufactured 8 years later than the ZS7 and that is a fairly significant difference as far as camera tech is concerned. The two cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic ZS7 being a Compact camera.

Before diving right into a step-by-step comparison, here is a quick view of how the E-M1 III grades versus the ZS7 when considering portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-ZS7. The entire galleries are provided at Olympus E-M1 III Gallery & Panasonic ZS7 Gallery.

For those who are intending to lug around your camera often, you will need to take into account its weight and dimensions. The Olympus E-M1 III comes with 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) whilst the Panasonic ZS7 has dimensions of 103mm x 60mm x 33mm (4.1" x 2.4" x 1.3") accompanied by a weight of 218 grams (0.48 lbs).

Compare the Olympus E-M1 III versus Panasonic ZS7 in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you are working with at the time. Here is a front view proportions comparison of the E-M1 III and the ZS7.

Using size and weight, the portability rating of the E-M1 III and ZS7 is 67 and 91 respectively.

Often, it can be tough to envision the contrast in sensor measurements merely by checking out specs. The visual below should give you a far better sense of the sensor measurements in the E-M1 III and ZS7.

As you can plainly see, both the cameras feature different megapixel count and different sensor measurements. The E-M1 III featuring a larger sensor will make achieving shallow depth of field simpler and the Olympus E-M1 III will produce extra detail due to its extra 8 Megapixels. Greater resolution will help you crop pics way more aggressively. The more modern E-M1 III will have a benefit when it comes to sensor tech.