Olympus E-M1 III vs Panasonic ZR1

Lets look more closely at the Olympus E-M1 III versus Panasonic ZR1, former being a Pro Mirrorless while the latter is a Small Sensor Compact by brands Olympus and Panasonic. There is a sizable difference between the resolutions of the E-M1 III (20MP) and ZR1 (12MP) and the E-M1 III (Four Thirds) and ZR1 (1/2.3") offer totally different sensor dimensions.

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The E-M1 III was brought out 10 years later than the ZR1 and that is quite a significant difference as far as tech is concerned. The two cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic ZR1 being a Compact camera.

Before we go straight to a step-by-step comparison, here is a brief highlight of how the E-M1 III matches up versus the ZR1 when considering portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-ZR1. The entire galleries are provided at Olympus E-M1 III Gallery & Panasonic ZR1 Gallery.

If you're planning to carry your camera regularly, you will have to think about its weight and dimensions. The Olympus E-M1 III offers 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 ZR1 has dimensions of 98mm x 55mm x 26mm (3.9" x 2.2" x 1.0") along with a weight of 158 grams (0.35 lbs).

Check the Olympus E-M1 III versus Panasonic ZR1 in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ depending on the lens you are working with at the time. Following is a front view measurement comparison of the E-M1 III vs the ZR1.

Taking into consideration size and weight, the portability score of the E-M1 III and ZR1 is 67 and 94 respectively.

Oftentimes, it can be difficult to envision the contrast between sensor sizing just by reviewing a spec sheet. The visual below might provide you a better sense of the sensor sizing in the E-M1 III and ZR1.

As you can see, both cameras provide different resolutions and different sensor sizing. The E-M1 III due to its bigger sensor will make achieving shallower depth of field easier and the Olympus E-M1 III will deliver more detail having its extra 8MP. Higher resolution will also allow you to crop photographs more aggressively. The fresher E-M1 III will have an advantage with regard to sensor technology.