Olympus E-M10 II vs Sony a1

Let's look more in depth at the Olympus E-M10 II vs Sony a1, former being a Entry-Level Mirrorless while the latter is a Pro Mirrorless by competitors Olympus and Sony. There is a substantial difference among the resolutions of the E-M10 II (16MP) and a1 (50MP) and the E-M10 II (Four Thirds) and a1 (Full frame) provide totally different sensor size.

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The E-M10 II was brought out 6 years prior to the a1 and that is a fairly big difference as far as camera tech is concerned. Both of the cameras have the same body design (SLR-style mirrorless).

Before getting straight to a thorough comparison, here is a brief summation of how the E-M10 II grades vs the a1 when it comes to portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Olympus OM-D E-M10 II & Sony Alpha a1. The entire galleries are provided at Olympus E-M10 II Gallery & Sony a1 Gallery.

In case you're planning to carry your camera often, you will need to factor its weight and size. The Olympus E-M10 II has external dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") having a weight of 390 grams (0.86 lbs) whilst the Sony a1 has specifications of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") accompanied by a weight of 737 grams (1.62 lbs).

Check out the Olympus E-M10 II vs Sony a1 in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change based on the lens you select at the time. Here is a front view sizing comparison of the E-M10 II and the a1.

Taking into account size and weight, the portability score of the E-M10 II and a1 is 82 and 61 respectively.

Generally, it can be difficult to visualise the difference in sensor sizing merely by looking through a spec sheet. The graphic underneath should offer you a greater sense of the sensor sizes in the E-M10 II and a1.

As you can see, the 2 cameras have different megapixels and different sensor sizing. The E-M10 II because of its smaller sensor will make getting shallow DOF more difficult and the Sony a1 will render extra detail having its extra 34 Megapixels. Higher resolution will enable you to crop photographs a bit more aggressively. The older E-M10 II will be behind when it comes to sensor innovation.