Olympus E-M10 IV vs Sony A77 II

Lets take a deeper look at the Olympus E-M10 IV versus Sony A77 II, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by competitors Olympus and Sony. The resolution of the E-M10 IV (20MP) and the A77 II (24MP) is very similar but the E-M10 IV (Four Thirds) and A77 II (APS-C) possess different sensor sizing.

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The E-M10 IV was revealed 6 years later than the A77 II and that is quite a large gap as far as technology is concerned. The two cameras come with different body type with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Sony A77 II being a Mid-size SLR camera.

Before going in to a in depth comparison, below is a quick summation of how the E-M10 IV matches up vs the A77 II when considering portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Olympus OM-D E-M10 IV and Sony SLT-A77 II. The full galleries are provided at Olympus E-M10 IV Gallery and Sony A77 II Gallery.

For those who are looking to lug around your camera regularly, you're going to have to factor in its weight and volume. The Olympus E-M10 IV has got external measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") accompanied by a weight of 383 grams (0.84 lbs) while the Sony A77 II has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 647 grams (1.43 lbs).

Examine the Olympus E-M10 IV versus Sony A77 II in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at that moment. The following is the front view dimension comparison of the E-M10 IV vs the A77 II.

Taking into consideration dimensions and weight, the portability score of the E-M10 IV and A77 II is 81 and 62 respectively.

More often than not, it's hard to picture the difference between sensor measurements just by going over specs. The graphic below will provide you a much better sense of the sensor measurements in the E-M10 IV and A77 II.

As you can plainly see, the two cameras have got different resolutions and different sensor measurements. The E-M10 IV using its tinier sensor is going to make getting shallow depth of field harder and the Sony A77 II will deliver greater detail because of its extra 4 Megapixels. Greater resolution can also let you crop images much more aggressively. The more recent E-M10 IV should have an advantage with regard to sensor innovation.