Olympus E-PM2 vs Pentax W90

Below, we are comparing the Olympus E-PM2 versus Pentax W90, one is a Entry-Level Mirrorless and the other is a Waterproof by manufacturers Olympus and Pentax. There exists a sizeable gap among the sensor resolutions of the E-PM2 (16MP) and W90 (12MP) and the E-PM2 (Four Thirds) and W90 (1/2.3") possess totally different sensor measurements.

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The E-PM2 was introduced 3 years after the W90 which is a fairly large gap as far as camera technology is concerned. Both cameras come with different body type with the Olympus E-PM2 being a Rangefinder-style mirrorless camera and the Pentax W90 being a Compact camera.

Before getting through a full comparison, below is a simple introduction of how the E-PM2 scores versus the W90 in relation to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Olympus PEN E-PM2 and Pentax Optio W90. The whole galleries are available at Olympus E-PM2 Gallery and Pentax W90 Gallery.

If you are looking to carry around your camera frequently, you have to factor its weight and dimensions. The Olympus E-PM2 features exterior measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") having a weight of 269 grams (0.59 lbs) whilst the Pentax W90 has dimensions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") and a weight of 164 grams (0.36 lbs).

Check the Olympus E-PM2 versus Pentax W90 in the latest Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen at that time. Here is the front view over all size comparison of the E-PM2 against the W90.

Looking at dimensions and weight, the portability rating of the E-PM2 and W90 is 89 and 94 respectively.

Normally, it is hard to see the difference in sensor sizes only by researching specs. The image underneath will offer you a clearer sense of the sensor measurements in the E-PM2 and W90.

All in all, the 2 cameras posses different megapixel count and different sensor sizes. The E-PM2 having a larger sensor will make shooting shallower DOF simpler and the Olympus E-PM2 will result in extra detail using its extra 4MP. Greater resolution can also enable you to crop images somewhat more aggressively. The more recent E-PM2 is going to have an advantage in sensor technology.