Olympus E-M10 vs Sony A7R

The following is a detailed comparison of the Olympus E-M10 vs Sony A7R, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by competitors Olympus and Sony. There exists a big gap between the resolutions of the E-M10 (16MP) and A7R (36MP) and the E-M10 (Four Thirds) and A7R (Full frame) come with different sensor size.

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The E-M10 was unveiled 2 months after the A7R and they are of a similar generation. Both of these cameras offer the identical body type (SLR-style mirrorless).

Before getting through a detailed comparison, below is a short summary of how the E-M10 matches up vs the A7R in the way of portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Olympus OM-D E-M10 and Sony Alpha A7R. The full galleries are available at Olympus E-M10 Gallery and Sony A7R Gallery.

If you are going to travel with your camera, you're going to have to take into account its weight and measurements. The Olympus E-M10 enjoys outside dimensions of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") along with a weight of 396 grams (0.87 lbs) while the Sony A7R has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") and a weight of 465 grams (1.03 lbs).

Analyze the Olympus E-M10 vs Sony A7R in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you have attached at the time. Here is the front view dimensions comparison of the E-M10 versus the A7R.

Factoring in dimensions and weight, the portability rating of the E-M10 and A7R is 82 and 78 respectively.

More often than not, it's hard to visualize the difference between sensor dimensions simply by checking a spec sheet. The image here may give you a far better sense of the sensor sizes in the E-M10 and A7R.

Clearly, both of the cameras offer different megapixel count and different sensor dimensions. The E-M10 having a tinier sensor is going to make getting bokeh more challenging and the Sony A7R will give extra detail having an extra 20 Megapixels. Greater resolution can also let you crop photos a little more aggressively.