Olympus E-M1 III vs Sony A6300

Its time to look closer at the Olympus E-M1 III vs Sony A6300, one being a Pro Mirrorless and the other is a Advanced Mirrorless by rivals Olympus and Sony. The sensor resolution of the E-M1 III (20MP) and the A6300 (24MP) is very comparable but the E-M1 III (Four Thirds) and A6300 (APS-C) have totally different sensor measurements.

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The E-M1 III was revealed 4 years later than the A6300 and that is a fairly sizable gap as far as camera technology is concerned. Both cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony A6300 being a Rangefinder-style mirrorless camera.

Before going straight to a step-by-step comparison, here is a brief summation of how the E-M1 III scores against the A6300 when considering portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Olympus OM-D E-M1 Mark III and Sony Alpha a6300. The full galleries are provided at Olympus E-M1 III Gallery and Sony A6300 Gallery.

If you are looking to lug around your camera regularly, you will need to take into account its weight and proportions. The Olympus E-M1 III offers outside measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) whilst the Sony A6300 has measurements of 120mm x 67mm x 49mm (4.7" x 2.6" x 1.9") accompanied by a weight of 404 grams (0.89 lbs).

Analyze the Olympus E-M1 III vs Sony A6300 in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with at the time. Below is a front view proportions comparison of the E-M1 III vs the A6300.

Looking at dimensions and weight, the portability score of the E-M1 III and A6300 is 67 and 83 respectively.

More often than not, it's tough to see the contrast in sensor measurements simply by going through technical specs. The visual here should give you a stronger sense of the sensor measurements in the E-M1 III and A6300.

As you can tell, both of those cameras provide different megapixels and different sensor measurements. The E-M1 III using its smaller sensor will make achieving shallow depth of field more challenging and the Sony A6300 will show more detail because of its extra 4 Megapixels. Greater resolution will let you crop images more aggressively. The more recent E-M1 III is going to have an advantage when it comes to sensor tech.