Olympus E-M5 vs Sony A7c

In this write-up, we are contrasting the Olympus E-M5 vs Sony A7c, both Advanced Mirrorless digital cameras by brands Olympus and Sony. There is a considerable difference between the resolutions of the E-M5 (16MP) and A7c (24MP) and the E-M5 (Four Thirds) and A7c (Full frame) possess different sensor measurements.

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The E-M5 was released 9 years earlier than the A7c which is quite a large difference as far as tech is concerned. Both cameras offer different body type with the Olympus E-M5 being a SLR-style mirrorless camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before diving straight into a more detailed comparison, below is a simple synopsis of how the E-M5 matches up versus the A7c when considering portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus OM-D E-M5 & Sony Alpha A7c. The complete galleries are available at Olympus E-M5 Gallery & Sony A7c Gallery.

In case you're intending to travel with your camera often, you will have to factor in its weight and volume. The Olympus E-M5 offers external measurements of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") and a weight of 425 grams (0.94 lbs) whilst the Sony A7c has sizing of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") and a weight of 509 grams (1.12 lbs).

Check the Olympus E-M5 vs Sony A7c in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ depending on the lens you have chosen at the time. Following is the front view dimensions comparison of the E-M5 versus the A7c.

Taking into account size and weight, the portability rating of the E-M5 and A7c is 81 and 78 respectively.

In many cases, it can be difficult to picture the difference between sensor dimensions merely by reading technical specs. The pic here should provide you a much better sense of the sensor measurements in the E-M5 and A7c.

As you have seen, both the cameras offer different megapixel count and different sensor dimensions. The E-M5 due to its tinier sensor is going to make shooting shallower depth of field more challenging and the Sony A7c will deliver greater detail as a result of its extra 8 Megapixels. Greater resolution will also make it easier to crop images a little more aggressively. The more aged E-M5 is going to be disadvantaged with regard to sensor tech.