Olympus PEN-F vs Pentax E90

Below, we are comparing the Olympus PEN-F and Pentax E90, former being a Advanced Mirrorless while the other is a Small Sensor Compact by competitors Olympus and Pentax. There exists a noticeable gap between the image resolutions of the PEN-F (20MP) and E90 (10MP) and the PEN-F (Four Thirds) and E90 (1/2.3") come with different sensor size.

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The PEN-F was manufactured 6 years later than the E90 and that is quite a sizable difference as far as technology is concerned. Both of these cameras come with different body type with the Olympus PEN-F being a Rangefinder-style mirrorless camera and the Pentax E90 being a Compact camera.

Before delving straight into a detailed comparison, below is a quick introduction of how the PEN-F matches up against the E90 with respect to portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Olympus PEN-F & Pentax Optio E90. The entire galleries are viewable at Olympus PEN-F Gallery & Pentax E90 Gallery.

If you're looking to carry your camera often, you should factor its weight and volume. The Olympus PEN-F has external dimensions of 125mm x 72mm x 37mm (4.9" x 2.8" x 1.5") and a weight of 427 grams (0.94 lbs) while the Pentax E90 has sizing of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") along with a weight of 145 grams (0.32 lbs).

Contrast the Olympus PEN-F and Pentax E90 in our brand new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary based on the lens you have attached during that time. Following is the front view dimension comparison of the PEN-F compared to the E90.

Factoring in dimensions and weight, the portability score of the PEN-F and E90 is 84 and 94 respectively.

Quite often, it can be difficult to imagine the difference between sensor sizing simply by going over specs. The graphic here will give you a greater sense of the sensor dimensions in the PEN-F and E90.

As you can plainly see, both the cameras posses different megapixel count and different sensor sizing. The PEN-F featuring a larger sensor is going to make getting shallower DOF simpler and the Olympus PEN-F will offer you greater detail due to its extra 10MP. Greater resolution will allow you to crop photos somewhat more aggressively. The newer PEN-F should have a benefit when it comes to sensor tech.