Olympus E-M5 II vs Sony A7

Lets look a bit more in depth at the Olympus E-M5 II versus Sony A7, former is a Advanced Mirrorless while the latter is a Pro Mirrorless by manufacturers Olympus and Sony. There is a substantial difference among the image resolutions of the E-M5 II (16MP) and A7 (24MP) and the E-M5 II (Four Thirds) and A7 (Full frame) enjoy different sensor sizes.

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The E-M5 II was unveiled 13 months after the A7 which makes the cameras a generation away from each other. Each of these cameras offer the identical body type (SLR-style mirrorless).

Before getting through a in depth comparison, below is a brief overview of how the E-M5 II scores against the A7 when considering portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Olympus OM-D E-M5 II & Sony Alpha A7. The full galleries are provided at Olympus E-M5 II Gallery & Sony A7 Gallery.

For those who are planning to carry around your camera, you have to factor in its weight and volume. The Olympus E-M5 II offers external measurements of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") along with a weight of 469 grams (1.03 lbs) whilst the Sony A7 has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 474 grams (1.04 lbs).

See the Olympus E-M5 II versus Sony A7 in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ depending on the lens you have attached at the time. Underneath is the front view over all size comparison of the E-M5 II and the A7.

Looking at size and weight, the portability grade of the E-M5 II and A7 is 80 and 78 respectively.

Often, it is tough to picture the difference in sensor sizes only by seeing a spec sheet. The pic here may give you a much better sense of the sensor sizing in the E-M5 II and A7.

As you can see, both of those cameras enjoy different megapixels and different sensor sizes. The E-M5 II using its smaller sensor is going to make getting shallower depth of field more challenging and the Sony A7 will show greater detail having an extra 8MP. Higher resolution can also enable you to crop shots far more aggressively. The more modern E-M5 II provides an advantage with regard to sensor tech.