Olympus E-PL9 vs Pentax E90

Following is a complete comparison of the Olympus E-PL9 vs Pentax E90, one is a Entry-Level Mirrorless and the latter is a Small Sensor Compact by rivals Olympus and Pentax. There is a big difference between the sensor resolutions of the E-PL9 (16MP) and E90 (10MP) and the E-PL9 (Four Thirds) and E90 (1/2.3") come with different sensor sizing.

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The E-PL9 was introduced 8 years after the E90 which is quite a big gap as far as tech is concerned. Each of these cameras come with different body type with the Olympus E-PL9 being a Rangefinder-style mirrorless camera and the Pentax E90 being a Compact camera.

Before diving straight into a thorough comparison, below is a quick synopsis of how the E-PL9 grades vs the E90 with regard to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Olympus PEN E-PL9 and Pentax Optio E90. The whole galleries are available at Olympus E-PL9 Gallery and Pentax E90 Gallery.

If you're planning to carry around your camera often, you will have to think about its weight and size. The Olympus E-PL9 features physical measurements of 117mm x 68mm x 39mm (4.6" x 2.7" x 1.5") with a weight of 380 grams (0.84 lbs) while the Pentax E90 has specifications of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") having a weight of 145 grams (0.32 lbs).

Take a look at the Olympus E-PL9 vs Pentax E90 in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at the time. Here is the front view scale comparison of the E-PL9 and the E90.

Considering size and weight, the portability grade of the E-PL9 and E90 is 85 and 94 respectively.

In many cases, its hard to picture the gap between sensor sizes only by going over technical specs. The image below will help provide you a much better sense of the sensor measurements in the E-PL9 and E90.

As you have seen, both cameras have got different megapixel count and different sensor sizes. The E-PL9 with its bigger sensor is going to make achieving shallower depth of field easier and the Olympus E-PL9 will deliver extra detail using its extra 6MP. Higher resolution can also enable you to crop pictures much more aggressively. The more recent E-PL9 should have an edge with regard to sensor tech.