Olympus E-M10 III vs Sony A850

On this page, we are comparing the Olympus E-M10 III and Sony A850, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by companies Olympus and Sony. There is a huge difference between the image resolutions of the E-M10 III (16MP) and A850 (25MP) and the E-M10 III (Four Thirds) and A850 (Full frame) posses totally different sensor dimensions.

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The E-M10 III was launched 7 years later than the A850 and that is quite a significant gap as far as tech is concerned. Both the cameras have different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Sony A850 being a Mid-size SLR camera.

Before delving into a more detailed comparison, here is a short summary of how the E-M10 III matches up versus the A850 in regards to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Olympus OM-D E-M10 Mark III and Sony Alpha DSLR-A850. The complete galleries are viewable at Olympus E-M10 III Gallery and Sony A850 Gallery.

For anybody who is going to lug around your camera regularly, you'll have to factor in its weight and proportions. The Olympus E-M10 III provides external 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) whilst the Sony A850 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") having a weight of 895 grams (1.97 lbs).

Contrast the Olympus E-M10 III and Sony A850 in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising during that time. Following is a front view measurement comparison of the E-M10 III compared to the A850.

Considering size and weight, the portability grade of the E-M10 III and A850 is 80 and 54 respectively.

Usually, it's tough to visualise the gap between sensor measurements just by looking at technical specs. The visual here should offer you a clearer sense of the sensor sizing in the E-M10 III and A850.

As you have seen, the two cameras provide different megapixel count and different sensor measurements. The E-M10 III because of its tinier sensor will make shooting shallow DOF tougher and the Sony A850 will give you greater detail utilizing its extra 9MP. Greater resolution will also let you crop images more aggressively. The more modern E-M10 III will have a benefit when it comes to sensor tech.