Olympus E-300 vs Olympus E-M1 III

In this write-up, we are looking at the Olympus E-300 versus Olympus E-M1 III, former is a Advanced DSLR while the other is a Pro Mirrorless and both are produced by Olympus. There exists a substantial gap between the image resolutions of the E-300 (8MP) and E-M1 III (20MP) but they feature the same exact sensor sizing (Four Thirds).

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The E-300 was revealed 16 years before the E-M1 III which is quite a big difference as far as technology is concerned. Both of these cameras offer different body type with the Olympus E-300 being a Mid-size SLR camera and the Olympus E-M1 III being a SLR-style mirrorless camera.

Before going straight into a complete comparison, below is a brief view of how the E-300 scores against the E-M1 III when it comes to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Olympus E-300 & Olympus OM-D E-M1 Mark III. The full galleries are viewable at Olympus E-300 Gallery & Olympus E-M1 III Gallery.

In case you're aiming to carry around your camera often, you will need to factor in its weight and volume. The Olympus E-300 provides external measurements of 147mm x 85mm x 64mm (5.8" x 3.3" x 2.5") having a weight of 624 grams (1.38 lbs) and the Olympus E-M1 III has sizing of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs).

Check out the Olympus E-300 versus Olympus E-M1 III in our brand new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary based on the lens you are utilizing at the time. Below is the front view proportions comparison of the E-300 versus the E-M1 III.

Considering dimensions and weight, the portability rating of the E-300 and E-M1 III is 67 and 67 respectively.

Typically, it can be difficult to visualize the gap between sensor sizes just by reviewing specs. The picture underneath will provide you a more clear sense of the sensor measurements in the E-300 and E-M1 III.

All in all, each of these cameras enjoy the same exact sensor sizing but different resolution. You can anticipate the Olympus E-M1 III to offer extra detail because of its extra 12MP. Greater resolution will help you crop pics far more aggressively. The more aged E-300 is going to be behind in sensor tech.