Olympus E-M1 vs Sony A99 II

Following is a complete analysis of the Olympus E-M1 versus Sony A99 II, one is a Pro Mirrorless and the latter is a Advanced DSLR by brands Olympus and Sony. There exists a significant gap between the sensor resolutions of the E-M1 (16MP) and A99 II (42MP) and the E-M1 (Four Thirds) and A99 II (Full frame) boast different sensor size.

Pentax 17 Pre-Orders Outperform Expectations by a Landslide

The E-M1 was launched 3 years before the A99 II which is quite a sizable gap as far as technology is concerned. Each of these cameras have different body design with the Olympus E-M1 being a SLR-style mirrorless camera and the Sony A99 II being a Mid-size SLR camera.

Before we go right into a detailed comparison, here is a brief synopsis of how the E-M1 grades against the A99 II in terms of portability, imaging, features and an overall score.

Following is a preview of the gallery images for Olympus OM-D E-M1 and Sony Alpha A99 II. The complete galleries are available at Olympus E-M1 Gallery and Sony A99 II Gallery.

If you are going to carry around your camera frequently, you will need to take into account its weight and volume. The Olympus E-M1 has exterior measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") along with a weight of 497 grams (1.10 lbs) whilst the Sony A99 II has sizing of 143mm x 104mm x 76mm (5.6" x 4.1" x 3.0") accompanied by a weight of 849 grams (1.87 lbs).

Compare the Olympus E-M1 versus Sony A99 II in the all new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you use at that time. Following is a front view scale comparison of the E-M1 vs the A99 II.

Taking into consideration dimensions and weight, the portability rating of the E-M1 and A99 II is 71 and 57 respectively.

Sometimes, it's hard to imagine the gap between sensor sizes only by reading through specs. The picture here might provide you a much better sense of the sensor measurements in the E-M1 and A99 II.

All in all, both the cameras provide different megapixel count and different sensor sizes. The E-M1 due to its tinier sensor is going to make getting shallower DOF more difficult and the Sony A99 II will give greater detail utilizing its extra 26MP. Higher resolution can also make it easier to crop photographs more aggressively. The more aged E-M1 is going to be behind with regard to sensor tech.