Olympus E-M1 III vs Panasonic G1

The following is a thorough overview of the Olympus E-M1 III versus Panasonic G1, former is a Pro Mirrorless while the other is a Entry-Level Mirrorless by competitors Olympus and Panasonic. There is a substantial difference between the resolutions of the E-M1 III (20MP) and G1 (12MP) but they enjoy the same exact sensor measurements (Four Thirds).

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The E-M1 III was released 11 years after the G1 which is quite a big difference as far as tech is concerned. Both of the cameras offer the identical body type (SLR-style mirrorless).

Before we go in to a full comparison, below is a brief highlight of how the E-M1 III matches up against the G1 in terms of portability, imaging, features and an overall mark.

Following is a sample of the gallery pics for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-G1. The complete galleries are provided at Olympus E-M1 III Gallery & Panasonic G1 Gallery.

If you are looking to travel with your camera, you should factor its weight and measurements. The Olympus E-M1 III features exterior measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) and the Panasonic G1 has proportions of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") with a weight of 360 grams (0.79 lbs).

Examine the Olympus E-M1 III versus Panasonic G1 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary based on the lens you select at that time. Underneath is the front view over all size comparison of the E-M1 III and the G1.

Considering size and weight, the portability grade of the E-M1 III and G1 is 67 and 82 respectively.

Oftentimes, it is very difficult to visualise the gap between sensor dimensions simply by reading a spec sheet. The image here may give you a better sense of the sensor measurements in the E-M1 III and G1.

As you can see, the 2 cameras offer the same exact sensor sizing but not the same MP. You can expect to see the Olympus E-M1 III to offer extra detail as a result of its extra 8 Megapixels. Greater resolution will also make it easier to crop pics a little more aggressively. The more modern E-M1 III is going to have a benefit in sensor innovation.