Olympus E-M5 vs Pentax W90

Below, we are reviewing the Olympus E-M5 and Pentax W90, former is a Advanced Mirrorless while the other is a Waterproof by companies Olympus and Pentax. There is a noticeable difference among the sensor resolutions of the E-M5 (16MP) and W90 (12MP) and the E-M5 (Four Thirds) and W90 (1/2.3") enjoy different sensor size.

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The E-M5 was introduced 2 years after the W90 which is a fairly sizable difference as far as camera tech is concerned. Both the cameras come with different body type with the Olympus E-M5 being a SLR-style mirrorless camera and the Pentax W90 being a Compact camera.

Before delving in to a detailed comparison, below is a simple overview of how the E-M5 scores vs the W90 with regards to portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Olympus OM-D E-M5 & Pentax Optio W90. The whole galleries are provided at Olympus E-M5 Gallery & Pentax W90 Gallery.

In case you're intending to travel with your camera frequently, you're going to have to take into account its weight and dimensions. The Olympus E-M5 features external dimensions of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") having a weight of 425 grams (0.94 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).

Look at the Olympus E-M5 and Pentax W90 in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ dependant on the lens you are employing at that time. The following is the front view over all size comparison of the E-M5 vs the W90.

Factoring in size and weight, the portability score of the E-M5 and W90 is 81 and 94 respectively.

In many cases, its hard to picture the gap in sensor dimensions merely by looking through a spec sheet. The image here will give you a greater sense of the sensor sizes in the E-M5 and W90.

Clearly, both of those cameras have got different megapixel count and different sensor dimensions. The E-M5 using its larger sensor is going to make getting shallower DOF less difficult and the Olympus E-M5 will render more detail using its extra 4MP. Greater resolution can also allow you to crop images much more aggressively. The more modern E-M5 provides an edge in sensor tech.