Olympus E-420 vs Olympus E-M5 III

Here is a thorough review of the Olympus E-420 vs Olympus E-M5 III, one being a Entry-Level DSLR and the latter is a Advanced Mirrorless and they are both created by Olympus. There exists a significant gap among the image resolutions of the E-420 (10MP) and E-M5 III (20MP) but they enjoy the same exact sensor measurements (Four Thirds).

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The E-420 was unveiled 12 years prior to the E-M5 III and that is a fairly sizable gap as far as camera technology is concerned. Each of these cameras offer different body type with the Olympus E-420 being a Compact SLR camera and the Olympus E-M5 III being a SLR-style mirrorless camera.

Before delving through a detailed comparison, below is a short summation of how the E-420 grades versus the E-M5 III in the way of portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Olympus E-420 and Olympus OM-D E-M5 III. The full galleries are available at Olympus E-420 Gallery and Olympus E-M5 III Gallery.

For those who are aiming to carry your camera regularly, you'll need to take into account its weight and proportions. The Olympus E-420 provides external measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") accompanied by a weight of 426 grams (0.94 lbs) and the Olympus E-M5 III has measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs).

See the Olympus E-420 vs Olympus E-M5 III in the all new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilising at that moment. Here is the front view dimensions comparison of the E-420 against the E-M5 III.

Factoring in dimensions and weight, the portability rating of the E-420 and E-M5 III is 77 and 80 respectively.

Typically, it is very difficult to envision the gap in sensor sizing merely by viewing specifications. The visual here will help give you a better sense of the sensor sizing in the E-420 and E-M5 III.

To sum up, the 2 cameras offer the same exact sensor sizing albeit not the same MP. You should expect the Olympus E-M5 III to result in more detail having an extra 10MP. Higher resolution will help you crop pictures a little more aggressively. The older E-420 will be behind with regard to sensor tech.