Olympus E-M1 III vs Olympus 1

Here, we will be matching up the Olympus E-M1 III and Olympus 1, former is a Pro Mirrorless while the latter is a Small Sensor Superzoom and both are built by Olympus. There is a substantial difference between the resolutions of the E-M1 III (20MP) and 1 (12MP) and the E-M1 III (Four Thirds) and 1 (1/1.7") offer different sensor sizing.

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The E-M1 III was launched 6 years after the 1 which is quite a big difference as far as tech is concerned. Both of the cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Olympus 1 being a SLR-like (bridge) camera.

Before getting straight to a comprehensive comparison, here is a quick synopsis of how the E-M1 III grades vs the 1 for portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Olympus Stylus 1. The complete galleries are viewable at Olympus E-M1 III Gallery & Olympus 1 Gallery.

In case you're planning to carry around your camera regularly, you need to factor in its weight and volume. The Olympus E-M1 III provides outer measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) and the Olympus 1 has sizing of 116mm x 87mm x 57mm (4.6" x 3.4" x 2.2") with a weight of 402 grams (0.89 lbs).

Compare the Olympus E-M1 III and Olympus 1 in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you are using at the time. Here is a front view sizing comparison of the E-M1 III against the 1.

Using size and weight, the portability rating of the E-M1 III and 1 is 67 and 79 respectively.

Often, its tough to visualize the difference between sensor sizes just by reading specifications. The picture here will give you a clearer sense of the sensor measurements in the E-M1 III and 1.

To sum up, both of these cameras feature different resolutions and different sensor sizes. The E-M1 III due to its bigger sensor is going to make getting shallower DOF simpler and the Olympus E-M1 III will offer you more detail utilizing its extra 8MP. Higher resolution can also let you crop pictures way more aggressively. The newer E-M1 III provides an edge when it comes to sensor innovation.