Olympus E-M1 III vs Olympus E-PL3

Its time to look a little more closely at the Olympus E-M1 III and Olympus E-PL3, former being a Pro Mirrorless while the other is a Entry-Level Mirrorless and both are built by Olympus. There is a sizable difference between the image resolutions of the E-M1 III (20MP) and E-PL3 (12MP) but they feature the same exact sensor sizes (Four Thirds).

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The E-M1 III was announced 8 years later than the E-PL3 and that is quite a significant difference as far as tech is concerned. Both cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Olympus E-PL3 being a Rangefinder-style mirrorless camera.

Before diving through a in-depth comparison, below is a short overview of how the E-M1 III scores versus the E-PL3 in terms of portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III & Olympus PEN E-PL3. The whole galleries are viewable at Olympus E-M1 III Gallery & Olympus E-PL3 Gallery.

When you are intending to lug around your camera often, you need to think about its weight and volume. The Olympus E-M1 III has physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) and the Olympus E-PL3 has sizing of 110mm x 64mm x 37mm (4.3" x 2.5" x 1.5") with a weight of 313 grams (0.69 lbs).

Look at the Olympus E-M1 III and Olympus E-PL3 in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you are employing at that time. Underneath is the front view sizing comparison of the E-M1 III and the E-PL3.

Factoring in size and weight, the portability rating of the E-M1 III and E-PL3 is 67 and 88 respectively.

Usually, it is very difficult to visualise the gap between sensor measurements purely by reading specifications. The visual here may offer you a better sense of the sensor dimensions in the E-M1 III and E-PL3.

Plainly, both cameras offer the same exact sensor sizing but not the same resolution. You can anticipate the Olympus E-M1 III to offer greater detail with its extra 8MP. Greater resolution will enable you to crop pics a little more aggressively. The more recent E-M1 III will have an advantage with regard to sensor innovation.