Olympus PEN-F vs Sony a5100

In this article, we are comparing the Olympus PEN-F and Sony a5100, one is a Advanced Mirrorless and the other is a Entry-Level Mirrorless by rivals Olympus and Sony. The sensor resolution of the PEN-F (20MP) and the a5100 (24MP) is very close but the PEN-F (Four Thirds) and a5100 (APS-C) use totally different sensor size.

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The PEN-F was introduced 18 months after the a5100 making the cameras a generation away from one another. Both the cameras offer the identical body type (Rangefinder-style mirrorless).

Before delving through a detailed comparison, below is a brief synopsis of how the PEN-F grades against the a5100 with regards to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus PEN-F and Sony Alpha a5100. The whole galleries are viewable at Olympus PEN-F Gallery and Sony a5100 Gallery.

For anybody who is aiming to travel with your camera, you will have to factor in its weight and dimensions. The Olympus PEN-F enjoys external dimensions of 125mm x 72mm x 37mm (4.9" x 2.8" x 1.5") with a weight of 427 grams (0.94 lbs) while the Sony a5100 has dimensions of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") with a weight of 283 grams (0.62 lbs).

Compare the Olympus PEN-F and Sony a5100 in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at that time. Following is the front view overall size comparison of the PEN-F versus the a5100.

Using dimensions and weight, the portability grade of the PEN-F and a5100 is 84 and 89 respectively.

Normally, it is very difficult to see the contrast in sensor dimensions only by viewing a spec sheet. The pic underneath may offer you a stronger sense of the sensor sizes in the PEN-F and a5100.

Clearly, the two cameras enjoy different resolutions and different sensor dimensions. The PEN-F with its smaller sensor will make shooting bokeh harder and the Sony a5100 will render greater detail using its extra 4 Megapixels. Greater resolution will also allow you to crop photos far more aggressively. The fresher PEN-F will have an advantage when it comes to sensor innovation.