Olympus E-M10 vs Sony A77 II

Its time to look closer at the Olympus E-M10 versus Sony A77 II, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by companies Olympus and Sony. There exists a noticeable gap between the sensor resolutions of the E-M10 (16MP) and A77 II (24MP) and the E-M10 (Four Thirds) and A77 II (APS-C) boast different sensor sizes.

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The E-M10 was unveiled 2 months before the A77 II so they are both of a similar age. Both cameras have different body design with the Olympus E-M10 being a SLR-style mirrorless camera and the Sony A77 II being a Mid-size SLR camera.

Before getting straight to a more detailed comparison, here is a concise summation of how the E-M10 scores vs the A77 II in terms of portability, imaging, features and an overall rating.

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

If you are planning to carry your camera, you're going to have to consider its weight and measurements. The Olympus E-M10 has external measurements of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") with a weight of 396 grams (0.87 lbs) whilst the Sony A77 II has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 647 grams (1.43 lbs).

See the Olympus E-M10 versus Sony A77 II in our newest Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change based on the lens you have chosen at that time. Following is a front view measurements comparison of the E-M10 versus the A77 II.

Factoring in dimensions and weight, the portability grade of the E-M10 and A77 II is 82 and 62 respectively.

Sometimes, it's tough to imagine the difference between sensor sizing simply by reading specs. The graphic here should offer you a far better sense of the sensor measurements in the E-M10 and A77 II.

All in all, each of the cameras have different megapixel count and different sensor sizing. The E-M10 using its tinier sensor is going to make shooting shallow DOF harder and the Sony A77 II will deliver extra detail having an extra 8 Megapixels. Higher resolution will also enable you to crop shots a bit more aggressively.