Olympus E-M10 vs Sony A7S

Below is a complete analysis of the Olympus E-M10 vs Sony A7S, former being a Entry-Level Mirrorless while the other is a Pro Mirrorless by rivals Olympus and Sony. There is a noticeable difference between the resolutions of the E-M10 (16MP) and A7S (12MP) and the E-M10 (Four Thirds) and A7S (Full frame) have different sensor dimensions.

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The E-M10 was released at a similar time to the A7S and they are both of a similar age. Each of these cameras feature the same body design (SLR-style mirrorless).

Before diving right into a full comparison, here is a brief view of how the E-M10 grades against the A7S when it comes to portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus OM-D E-M10 & Sony Alpha A7S. The complete galleries are available at Olympus E-M10 Gallery & Sony A7S Gallery.

For anybody who is intending to lug around your camera, you should take into account its weight and size. The Olympus E-M10 provides exterior dimensions of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") accompanied by a weight of 396 grams (0.87 lbs) while the Sony A7S has specifications of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") and a weight of 489 grams (1.08 lbs).

Check out the Olympus E-M10 vs Sony A7S in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ based on the lens you use at that moment. Underneath is a front view over all size comparison of the E-M10 and the A7S.

Factoring in size and weight, the portability rating of the E-M10 and A7S is 82 and 77 respectively.

Oftentimes, it is difficult to imagine the contrast between sensor measurements only by reading through specifications. The photograph underneath will provide you a clearer sense of the sensor sizes in the E-M10 and A7S.

To sum up, both of the cameras feature different megapixel count and different sensor measurements. The E-M10 because of its tinier sensor is going to make achieving shallower DOF tougher and the Olympus E-M10 will give you greater detail as a result of its extra 4 Megapixels. Greater resolution will enable you to crop images way more aggressively.