Olympus E-M10 II vs Sony A77

Below is a complete comparison of the Olympus E-M10 II vs Sony A77, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by companies Olympus and Sony. There is a substantial difference among the sensor resolutions of the E-M10 II (16MP) and A77 (24MP) and the E-M10 II (Four Thirds) and A77 (APS-C) posses different sensor dimensions.

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The E-M10 II was brought out 3 years later than the A77 and that is a fairly big difference as far as camera tech is concerned. Both the cameras feature different body design with the Olympus E-M10 II being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before we go straight to a comprehensive comparison, here is a short introduction of how the E-M10 II matches up against the A77 when it comes to portability, imaging, features and an overall grade.

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

When you are aiming to lug around your camera, you will want to think about its weight and proportions. The Olympus E-M10 II enjoys exterior dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") with a weight of 390 grams (0.86 lbs) and the Sony A77 has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

Take a look at the Olympus E-M10 II vs Sony A77 in our completely new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will change based on the lens you have chosen at that moment. The following is a front view measurement comparison of the E-M10 II versus the A77.

Factoring in size and weight, the portability grade of the E-M10 II and A77 is 82 and 59 respectively.

In many cases, its difficult to visualize the contrast in sensor measurements simply by looking through specifications. The visual below should offer you a much better sense of the sensor sizes in the E-M10 II and A77.

To sum up, the 2 cameras come with different resolutions and different sensor measurements. The E-M10 II featuring a smaller sensor is going to make shooting shallow depth of field harder and the Sony A77 will result in more detail having its extra 8MP. Higher resolution will enable you to crop photographs a good deal more aggressively. The more recent E-M10 II should have a benefit in sensor technology.