Olympus E-M1 II vs Sony A7 II

Let's look closer at the Olympus E-M1 II and Sony A7 II, both Pro Mirrorless digital cameras by manufacturers Olympus and Sony. The image resolution of the E-M1 II (20MP) and the A7 II (24MP) is relatively well matched but the E-M1 II (Four Thirds) and A7 II (Full frame) provide different sensor measurements.

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The E-M1 II was launched 23 months after the A7 II which makes them a generation away from each other. Both cameras feature the same body design (SLR-style mirrorless).

Before going right into a thorough comparison, here is a brief synopsis of how the E-M1 II scores vs the A7 II with respect to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Olympus OM-D E-M1 Mark II and Sony Alpha A7 II. The complete galleries are provided at Olympus E-M1 II Gallery and Sony A7 II Gallery.

In case you're aiming to carry around your camera frequently, you will want to factor in its weight and measurements. The Olympus E-M1 II has external measurements of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") and a weight of 574 grams (1.27 lbs) whilst the Sony A7 II has proportions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") having a weight of 599 grams (1.32 lbs).

Check the Olympus E-M1 II and Sony A7 II in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at that time. Below is a front view sizing comparison of the E-M1 II and the A7 II.

Using size and weight, the portability score of the E-M1 II and A7 II is 68 and 69 respectively.

Usually, it's tough to imagine the gap between sensor sizes simply by looking at specs. The picture below may give you a clearer sense of the sensor sizing in the E-M1 II and A7 II.

As you can plainly see, both of these cameras feature different megapixel count and different sensor sizes. The E-M1 II due to its tinier sensor is going to make shooting shallow depth of field more challenging and the Sony A7 II will give greater detail utilizing its extra 4 Megapixels. Higher resolution can also enable you to crop photographs way more aggressively. The newer E-M1 II provides an advantage when it comes to sensor technology.