Olympus E-M1 vs Sony A300

Its time to look more closely at the Olympus E-M1 and Sony A300, former is a Pro Mirrorless while the latter is a Entry-Level DSLR by companies Olympus and Sony. There is a sizable difference between the image resolutions of the E-M1 (16MP) and A300 (10MP) and the E-M1 (Four Thirds) and A300 (APS-C) possess different sensor sizes.

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The E-M1 was introduced 5 years after the A300 which is quite a significant difference as far as tech is concerned. Each of these cameras offer different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Sony A300 being a Compact SLR camera.

Before getting through a in depth comparison, below is a brief highlight of how the E-M1 matches up against the A300 with regard to portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Olympus OM-D E-M1 & Sony Alpha DSLR-A300. The whole galleries are provided at Olympus E-M1 Gallery & Sony A300 Gallery.

For anybody who is going to travel with your camera frequently, you'll have to consider its weight and dimensions. The Olympus E-M1 features physical dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") accompanied by a weight of 497 grams (1.10 lbs) while the Sony A300 has dimensions of 131mm x 99mm x 75mm (5.2" x 3.9" x 3.0") having a weight of 632 grams (1.39 lbs).

See the Olympus E-M1 and Sony A300 in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary dependant on the lens you have chosen at that moment. The following is the front view sizing comparison of the E-M1 compared to the A300.

Looking at size and weight, the portability score of the E-M1 and A300 is 71 and 64 respectively.

Often, it's difficult to imagine the difference between sensor dimensions purely by reading through technical specs. The image below may offer you a more clear sense of the sensor sizes in the E-M1 and A300.

As you can tell, each of these cameras offer different resolutions and different sensor dimensions. The E-M1 having a tinier sensor is going to make achieving bokeh more difficult and the Olympus E-M1 will give extra detail using its extra 6MP. Higher resolution will allow you to crop pictures a little more aggressively. The newer E-M1 provides an advantage in sensor technology.