Olympus E-P3 vs Pentax W90

The following is a extended assessment of the Olympus E-P3 vs Pentax W90, one is a Entry-Level Mirrorless and the other is a Waterproof by manufacturers Olympus and Pentax. The sensor resolution of the E-P3 (12MP) and the W90 (12MP) is very comparable but the E-P3 (Four Thirds) and W90 (1/2.3") posses totally different sensor size.

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The E-P3 was released 18 months after the W90 making them a generation away from each other. Both cameras have different body design with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Pentax W90 being a Compact camera.

Before delving straight to a full comparison, here is a concise view of how the E-P3 matches up vs the W90 in the way of portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Olympus PEN E-P3 and Pentax Optio W90. The complete galleries are available at Olympus E-P3 Gallery and Pentax W90 Gallery.

When you are looking to travel with your camera regularly, you will have to consider its weight and proportions. The Olympus E-P3 offers exterior measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") with a weight of 369 grams (0.81 lbs) and the Pentax W90 has measurements of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") having a weight of 164 grams (0.36 lbs).

Look at the Olympus E-P3 vs Pentax W90 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have at that moment. Below is a front view proportions comparison of the E-P3 against the W90.

Factoring in size and weight, the portability score of the E-P3 and W90 is 86 and 94 respectively.

Generally, it is very hard to envision the contrast in sensor dimensions simply by checking out specs. The pic below will help provide you a better sense of the sensor sizing in the E-P3 and W90.

As you can plainly see, both cameras have the same MP but not the same sensor dimensions. The E-P3 has got the larger sensor which is going to make achieving shallower depth of field easier. The more modern E-P3 will have an edge with regard to sensor innovation.