Olympus PEN-F vs Sony A7 III

Its time to look much closer at the Olympus PEN-F and Sony A7 III, former being a Advanced Mirrorless while the other is a Pro Mirrorless by rivals Olympus and Sony. The sensor resolution of the PEN-F (20MP) and the A7 III (24MP) is very well matched but the PEN-F (Four Thirds) and A7 III (Full frame) boast totally different sensor sizing.

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The PEN-F was brought out 3 years prior to the A7 III and that is quite a large difference as far as tech is concerned. Both of the cameras have different body design with the Olympus PEN-F being a Rangefinder-style mirrorless camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving right into a complete comparison, here is a quick summation of how the PEN-F matches up versus the A7 III in terms of portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Olympus PEN-F & Sony Alpha A7 III. The entire galleries are provided at Olympus PEN-F Gallery & Sony A7 III Gallery.

For anybody who is intending to lug around your camera, you should take into account its weight and measurements. The Olympus PEN-F comes with external dimensions of 125mm x 72mm x 37mm (4.9" x 2.8" x 1.5") along with a weight of 427 grams (0.94 lbs) while the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Examine the Olympus PEN-F and Sony A7 III in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change based on the lens you are utilizing during that time. Here is a front view sizing comparison of the PEN-F versus the A7 III.

Taking into account size and weight, the portability rating of the PEN-F and A7 III is 84 and 63 respectively.

In many cases, it is very difficult to envision the gap between sensor measurements merely by reading through technical specs. The visual below should give you a much better sense of the sensor dimensions in the PEN-F and A7 III.

As you can tell, the 2 cameras provide different megapixels and different sensor measurements. The PEN-F featuring a tinier sensor will make achieving bokeh more challenging and the Sony A7 III will resolve greater detail having its extra 4MP. Greater resolution will help you crop photos more aggressively. The older PEN-F is going to be disadvantaged with regard to sensor tech.