Olympus E-P5 vs Sony A77 II

In this article, we will be looking at the Olympus E-P5 versus Sony A77 II, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by brands Olympus and Sony. There is a considerable difference among the image resolutions of the E-P5 (16MP) and A77 II (24MP) and the E-P5 (Four Thirds) and A77 II (APS-C) feature totally different sensor measurements.

Photography Glossary

The E-P5 was released 7 months earlier than the A77 II so they are both of a similar age. Both of these cameras offer different body type with the Olympus E-P5 being a Rangefinder-style mirrorless camera and the Sony A77 II being a Mid-size SLR camera.

Before we go through a more detailed comparison, below is a brief summation of how the E-P5 scores vs the A77 II for portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Olympus PEN E-P5 & Sony SLT-A77 II. The complete galleries are viewable at Olympus E-P5 Gallery & Sony A77 II Gallery.

If you're planning to lug around your camera often, you have to factor in its weight and proportions. The Olympus E-P5 enjoys outer dimensions of 122mm x 69mm x 37mm (4.8" x 2.7" x 1.5") having a weight of 420 grams (0.93 lbs) while the Sony A77 II has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 647 grams (1.43 lbs).

Check out the Olympus E-P5 versus Sony A77 II in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you are using at the time. Here is the front view sizing comparison of the E-P5 vs the A77 II.

Using size and weight, the portability rating of the E-P5 and A77 II is 85 and 62 respectively.

In many cases, it can be difficult to envision the contrast in sensor measurements purely by researching a spec sheet. The graphic below will help offer you a far better sense of the sensor sizes in the E-P5 and A77 II.

As you can see, the 2 cameras offer different resolutions and different sensor measurements. The E-P5 because of its smaller sensor will make getting shallow depth of field tougher and the Sony A77 II will render extra detail as a result of its extra 8 Megapixels. Higher resolution will also help you crop pictures a little more aggressively. The older E-P5 will be disadvantaged with regard to sensor technology.