Olympus E-PM2 vs Sony A9

On this page, we are looking at the Olympus E-PM2 vs Sony A9, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by competitors Olympus and Sony. There is a huge difference between the resolutions of the E-PM2 (16MP) and A9 (24MP) and the E-PM2 (Four Thirds) and A9 (Full frame) offer totally different sensor dimensions.

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The E-PM2 was manufactured 4 years earlier than the A9 which is quite a significant gap as far as tech is concerned. Each of these cameras have different body design with the Olympus E-PM2 being a Rangefinder-style mirrorless camera and the Sony A9 being a SLR-style mirrorless camera.

Before we go right into a detailed comparison, here is a brief summary of how the E-PM2 grades vs the A9 when it comes to portability, imaging, features and an overall score.

This is a sample of the gallery pics for Olympus PEN E-PM2 and Sony Alpha A9. The entire galleries are available at Olympus E-PM2 Gallery and Sony A9 Gallery.

For those who are intending to carry around your camera regularly, you need to think about its weight and proportions. The Olympus E-PM2 offers exterior measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 269 grams (0.59 lbs) whilst the Sony A9 has measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") along with a weight of 673 grams (1.48 lbs).

Compare the Olympus E-PM2 vs Sony A9 in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at the time. Below is a front view over all size comparison of the E-PM2 compared to the A9.

Factoring in size and weight, the portability rating of the E-PM2 and A9 is 89 and 65 respectively.

Usually, it is tough to envision the contrast between sensor sizes merely by going over technical specs. The image here will help provide you a greater sense of the sensor sizing in the E-PM2 and A9.

As you have seen, both the cameras provide different megapixels and different sensor sizes. The E-PM2 featuring a tinier sensor will make getting shallower depth of field trickier and the Sony A9 will deliver extra detail due to its extra 8 Megapixels. Greater resolution will also make it easier to crop pics more aggressively. The more aged E-PM2 is going to be behind when it comes to sensor technology.