Olympus E-P3 vs Pentax E90

Below, we are analyzing the Olympus E-P3 versus Pentax E90, one is a Entry-Level Mirrorless and the other is a Small Sensor Compact by manufacturers Olympus and Pentax. The resolution of the E-P3 (12MP) and the E90 (10MP) is fairly comparable but the E-P3 (Four Thirds) and E90 (1/2.3") possess different sensor sizes.

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The E-P3 was launched 19 months after the E90 making the cameras a generation away from each other. Both the cameras come with different body type with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Pentax E90 being a Compact camera.

Before we go through a full comparison, below is a short view of how the E-P3 matches up against the E90 in terms of portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Olympus PEN E-P3 and Pentax Optio E90. The complete galleries are viewable at Olympus E-P3 Gallery and Pentax E90 Gallery.

In case you're intending to carry around your camera, you should think about its weight and measurements. The Olympus E-P3 comes with exterior measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") and a weight of 369 grams (0.81 lbs) while the Pentax E90 has proportions of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") accompanied by a weight of 145 grams (0.32 lbs).

Compare the Olympus E-P3 versus Pentax E90 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are employing at that time. Here is the front view over all size comparison of the E-P3 vs the E90.

Using size and weight, the portability grade of the E-P3 and E90 is 86 and 94 respectively.

Usually, it's tough to visualize the contrast in sensor sizes merely by seeing specs. The picture underneath will offer you a stronger sense of the sensor measurements in the E-P3 and E90.

All in all, both cameras have got different megapixel count and different sensor sizes. The E-P3 because of its larger sensor is going to make shooting shallower depth of field simpler and the Olympus E-P3 will show more detail utilizing its extra 2 Megapixels. Greater resolution can also let you crop images much more aggressively. The younger E-P3 provides an edge when it comes to sensor innovation.