Olympus E-M1 II vs Sony A7S II

Its time to look a bit more in depth at the Olympus E-M1 II vs Sony A7S II, both Pro Mirrorless cameras by manufacturers Olympus and Sony. There is a noticeable difference among the resolutions of the E-M1 II (20MP) and A7S II (12MP) and the E-M1 II (Four Thirds) and A7S II (Full frame) have different sensor sizing.

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The E-M1 II was brought out 12 months later than the A7S II and they are both of a similar age. Both of these cameras have the same body design (SLR-style mirrorless).

Before delving straight to a comprehensive comparison, here is a quick introduction of how the E-M1 II matches up against the A7S II for portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Olympus OM-D E-M1 Mark II & Sony Alpha A7S II. The entire galleries are available at Olympus E-M1 II Gallery & Sony A7S II Gallery.

In case you're going to lug around your camera frequently, you will want to consider its weight and proportions. The Olympus E-M1 II has physical measurements of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") having a weight of 574 grams (1.27 lbs) whilst the Sony A7S II has measurements of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 627 grams (1.38 lbs).

Compare the Olympus E-M1 II vs Sony A7S II in our completely new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary dependant on the lens you are employing at the time. The following is a front view scale comparison of the E-M1 II against the A7S II.

Taking into consideration size and weight, the portability score of the E-M1 II and A7S II is 68 and 68 respectively.

Oftentimes, it is very tough to imagine the contrast in sensor measurements only by checking out a spec sheet. The visual underneath will offer you a better sense of the sensor sizing in the E-M1 II and A7S II.

Clearly, each of the cameras have different megapixels and different sensor measurements. The E-M1 II due to its smaller sensor is going to make shooting shallower DOF tougher and the Olympus E-M1 II will provide more detail having its extra 8MP. Higher resolution will let you crop photographs a bit more aggressively. The more recent E-M1 II should have a benefit with regard to sensor technology.