Olympus E-M5 III vs Sony A37

The following is a in-depth review of the Olympus E-M5 III versus Sony A37, one is a Advanced Mirrorless and the other is a Entry-Level DSLR by manufacturers Olympus and Sony. There is a sizeable difference between the image resolutions of the E-M5 III (20MP) and A37 (16MP) and the E-M5 III (Four Thirds) and A37 (APS-C) offer totally different sensor measurements.

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The E-M5 III was launched 7 years after the A37 which is quite a large gap as far as tech is concerned. Both cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony A37 being a Compact SLR camera.

Before delving right into a in-depth comparison, here is a quick highlight of how the E-M5 III grades vs the A37 in terms of portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus OM-D E-M5 III and Sony SLT-A37. The complete galleries are available at Olympus E-M5 III Gallery and Sony A37 Gallery.

For anybody who is going to travel with your camera frequently, you should take into account its weight and size. The Olympus E-M5 III offers exterior dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") with a weight of 414 grams (0.91 lbs) whilst the Sony A37 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 506 grams (1.12 lbs).

Compare the Olympus E-M5 III versus Sony A37 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at that time. Below is a front view dimension comparison of the E-M5 III and the A37.

Taking into consideration size and weight, the portability rating of the E-M5 III and A37 is 80 and 67 respectively.

In many cases, its difficult to see the contrast between sensor dimensions simply by reading through technical specs. The picture here will help offer you a better sense of the sensor dimensions in the E-M5 III and A37.

As you can tell, both cameras provide different megapixel count and different sensor dimensions. The E-M5 III because of its tinier sensor will make shooting shallow DOF more challenging and the Olympus E-M5 III will resolve more detail utilizing its extra 4MP. Greater resolution can also enable you to crop photos more aggressively. The fresher E-M5 III is going to have a benefit when it comes to sensor innovation.