Olympus E-M10 III vs Sony A77 II

Its time to look much closer at the Olympus E-M10 III versus Sony A77 II, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by rivals Olympus and Sony. There is a substantial difference between the sensor resolutions of the E-M10 III (16MP) and A77 II (24MP) and the E-M10 III (Four Thirds) and A77 II (APS-C) offer totally different sensor sizes.

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The E-M10 III was unveiled 3 years after the A77 II which is quite a big difference as far as tech is concerned. Each of these cameras have different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Sony A77 II being a Mid-size SLR camera.

Before delving straight to a in depth comparison, here is a short overview of how the E-M10 III scores versus the A77 II when it comes to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Olympus OM-D E-M10 Mark III & Sony SLT-A77 II. The full galleries are viewable at Olympus E-M10 III Gallery & Sony A77 II Gallery.

When you are going to travel with your camera, you'll have to factor in its weight and dimensions. The Olympus E-M10 III provides physical measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") with a weight of 410 grams (0.90 lbs) while the Sony A77 II has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 647 grams (1.43 lbs).

Check out the Olympus E-M10 III versus Sony A77 II in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you are utilizing at the time. Underneath is a front view dimension comparison of the E-M10 III vs the A77 II.

Using size and weight, the portability rating of the E-M10 III and A77 II is 80 and 62 respectively.

Often, it is hard to see the gap between sensor dimensions only by looking at a spec sheet. The image below will give you a clearer sense of the sensor measurements in the E-M10 III and A77 II.

Clearly, both cameras provide different megapixel count and different sensor dimensions. The E-M10 III having a tinier sensor will make getting shallow depth of field tougher and the Sony A77 II will give you greater detail having an extra 8 Megapixels. Higher resolution will make it easier to crop photographs more aggressively. The fresher E-M10 III will have an advantage with regard to sensor innovation.