Olympus E-M5 III vs Sony A33

The following is a in depth review of the Olympus E-M5 III vs Sony A33, one is a Advanced Mirrorless and the latter is a Entry-Level DSLR by rivals Olympus and Sony. There is a huge difference between the image resolutions of the E-M5 III (20MP) and A33 (14MP) and the E-M5 III (Four Thirds) and A33 (APS-C) enjoy totally different sensor size.

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The E-M5 III was released 9 years after the A33 which is quite a significant gap as far as tech is concerned. The two cameras come with different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony A33 being a Compact SLR camera.

Before we go straight into a in depth comparison, below is a quick summation of how the E-M5 III scores against the A33 in terms of portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Olympus OM-D E-M5 III and Sony SLT-A33. The complete galleries are viewable at Olympus E-M5 III Gallery and Sony A33 Gallery.

For anyone who is planning to travel with your camera often, you will have to consider its weight and size. The Olympus E-M5 III enjoys outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") with a weight of 414 grams (0.91 lbs) while the Sony A33 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Take a look at the Olympus E-M5 III vs Sony A33 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached at that time. Here is the front view proportions comparison of the E-M5 III against the A33.

Using size and weight, the portability grade of the E-M5 III and A33 is 80 and 67 respectively.

In many cases, it is tough to envision the difference between sensor dimensions purely by reading through specs. The image below might offer you a clearer sense of the sensor sizes in the E-M5 III and A33.

All in all, each of the cameras posses different megapixel count and different sensor dimensions. The E-M5 III due to its tinier sensor will make achieving bokeh trickier and the Olympus E-M5 III will give you more detail as a result of its extra 6 Megapixels. Higher resolution will also make it easier to crop shots somewhat more aggressively. The fresher E-M5 III will have an edge when it comes to sensor technology.