Olympus E-M10 III vs Sony A99

Here, we will be comparing the Olympus E-M10 III and Sony A99, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by companies Olympus and Sony. There is a sizable difference among the image resolutions of the E-M10 III (16MP) and A99 (24MP) and the E-M10 III (Four Thirds) and A99 (Full frame) posses different sensor size.

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The E-M10 III was introduced 4 years after the A99 which is a fairly significant difference as far as camera tech is concerned. Each of these cameras feature different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Sony A99 being a Mid-size SLR camera.

Before diving straight to a thorough comparison, here is a short summation of how the E-M10 III grades versus the A99 with regards to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Olympus OM-D E-M10 Mark III & Sony SLT-A99. The whole galleries are viewable at Olympus E-M10 III Gallery & Sony A99 Gallery.

For anybody who is planning to travel with your camera regularly, you will have to consider its weight and volume. The Olympus E-M10 III provides outer measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") along with a weight of 410 grams (0.90 lbs) and the Sony A99 has sizing of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") and a weight of 812 grams (1.79 lbs).

Examine the Olympus E-M10 III and Sony A99 in our brand new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ dependant on the lens you have chosen during that time. Following is a front view physical size comparison of the E-M10 III and the A99.

Considering size and weight, the portability score of the E-M10 III and A99 is 80 and 57 respectively.

Generally, it is hard to picture the contrast in sensor dimensions simply by viewing specifications. The image below should give you a more clear sense of the sensor measurements in the E-M10 III and A99.

Plainly, both of those cameras feature different megapixel count and different sensor dimensions. The E-M10 III using its smaller sensor is going to make achieving shallow depth of field tougher and the Sony A99 will render greater detail using its extra 8 Megapixels. Higher resolution will also help you crop photographs way more aggressively. The fresher E-M10 III should have a benefit in sensor tech.