Olympus E-M5 III vs Pentax W90

Here is a comprehensive assessment of the Olympus E-M5 III versus Pentax W90, one being a Advanced Mirrorless and the latter is a Waterproof by competitors Olympus and Pentax. There is a significant difference among the resolutions of the E-M5 III (20MP) and W90 (12MP) and the E-M5 III (Four Thirds) and W90 (1/2.3") offer different sensor sizing.

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The E-M5 III was revealed 9 years later than the W90 and that is a fairly sizable gap as far as camera tech is concerned. Each of these cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax W90 being a Compact camera.

Before getting into a more detailed comparison, here is a simple summation of how the E-M5 III matches up against the W90 in relation to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus OM-D E-M5 III and Pentax Optio W90. The full galleries are available at Olympus E-M5 III Gallery and Pentax W90 Gallery.

When you are planning to carry your camera, you will want to consider its weight and size. The Olympus E-M5 III has got external dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") and a weight of 414 grams (0.91 lbs) and the Pentax W90 has specifications of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") along with a weight of 164 grams (0.36 lbs).

Compare the Olympus E-M5 III versus Pentax W90 in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you have during that time. Underneath is a front view measurement comparison of the E-M5 III compared to the W90.

Considering size and weight, the portability rating of the E-M5 III and W90 is 80 and 94 respectively.

Oftentimes, it is very difficult to visualize the difference in sensor sizing merely by looking through specifications. The visual below should provide you a stronger sense of the sensor dimensions in the E-M5 III and W90.

To sum up, both the cameras come with different resolutions and different sensor sizing. The E-M5 III with its bigger sensor is going to make getting shallow DOF simpler and the Olympus E-M5 III will provide you with greater detail because of its extra 8 Megapixels. Higher resolution will enable you to crop photographs a good deal more aggressively. The more recent E-M5 III provides an edge with regard to sensor technology.