Olympus E-M10 IV vs Sony A7

Below is a extended assessment of the Olympus E-M10 IV versus Sony A7, former being a Entry-Level Mirrorless while the other is a Pro Mirrorless by companies Olympus and Sony. The resolution of the E-M10 IV (20MP) and the A7 (24MP) is fairly close but the E-M10 IV (Four Thirds) and A7 (Full frame) possess totally different sensor measurements.

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The E-M10 IV was revealed 6 years later than the A7 and that is a fairly sizable difference as far as camera tech is concerned. Each of these cameras offer the identical body type (SLR-style mirrorless).

Before diving through a in-depth comparison, below is a brief summation of how the E-M10 IV matches up versus the A7 with regard to portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus OM-D E-M10 IV & Sony Alpha A7. The full galleries are available at Olympus E-M10 IV Gallery & Sony A7 Gallery.

For those who are aiming to lug around your camera, you will have to think about its weight and proportions. The Olympus E-M10 IV has got external measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") along with a weight of 383 grams (0.84 lbs) while the Sony A7 has measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 474 grams (1.04 lbs).

Contrast the Olympus E-M10 IV versus Sony A7 in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you are using at that moment. Below is the front view scale comparison of the E-M10 IV versus the A7.

Using size and weight, the portability rating of the E-M10 IV and A7 is 81 and 78 respectively.

In many cases, it is tough to see the contrast in sensor measurements simply by researching technical specs. The visual here may give you a more clear sense of the sensor sizing in the E-M10 IV and A7.

As you can tell, both cameras enjoy different megapixels and different sensor measurements. The E-M10 IV using its smaller sensor will make shooting shallower depth of field trickier and the Sony A7 will result in greater detail because of its extra 4 Megapixels. Greater resolution will let you crop images far more aggressively. The fresher E-M10 IV will have a benefit when it comes to sensor technology.