Olympus E-M5 III vs Sony A68

Following is a extended analysis of the Olympus E-M5 III and Sony A68, one is a Advanced Mirrorless and the latter is a Entry-Level DSLR by companies Olympus and Sony. The image resolution of the E-M5 III (20MP) and the A68 (24MP) is pretty well matched but the E-M5 III (Four Thirds) and A68 (APS-C) enjoy totally different sensor sizing.

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The E-M5 III was announced 4 years after the A68 which is quite a significant gap as far as tech is concerned. The two cameras come with different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony A68 being a Compact SLR camera.

Before getting in to a more detailed comparison, below is a simple synopsis of how the E-M5 III matches up vs the A68 when considering portability, imaging, features and an overall score.

Below is a preview of the gallery images for Olympus OM-D E-M5 III and Sony SLT-A68. The whole galleries are available at Olympus E-M5 III Gallery and Sony A68 Gallery.

In case you're looking to carry around your camera frequently, you will need to think about its weight and dimensions. The Olympus E-M5 III offers outer dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") with a weight of 414 grams (0.91 lbs) whilst the Sony A68 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 610 grams (1.34 lbs).

Take a look at the Olympus E-M5 III and Sony A68 in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen at the time. Here is the front view measurement comparison of the E-M5 III and the A68.

Using size and weight, the portability score of the E-M5 III and A68 is 80 and 64 respectively.

Often, it is very hard to visualise the gap between sensor sizes just by checking technical specs. The image here will offer you a more clear sense of the sensor dimensions in the E-M5 III and A68.

As you can tell, both the cameras posses different megapixels and different sensor sizes. The E-M5 III with its tinier sensor will make getting shallow DOF harder and the Sony A68 will give greater detail with its extra 4MP. Higher resolution can also make it easier to crop photographs somewhat more aggressively. The more modern E-M5 III will have an advantage in sensor innovation.