Olympus E-M5 II vs Pentax E90

Below is a comprehensive review of the Olympus E-M5 II versus Pentax E90, one being a Advanced Mirrorless and the other is a Small Sensor Compact by manufacturers Olympus and Pentax. There is a big difference between the image resolutions of the E-M5 II (16MP) and E90 (10MP) and the E-M5 II (Four Thirds) and E90 (1/2.3") offer different sensor dimensions.

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The E-M5 II was manufactured 5 years later than the E90 and that is quite a big gap as far as tech is concerned. Both the cameras have different body design with the Olympus E-M5 II being a SLR-style mirrorless camera and the Pentax E90 being a Compact camera.

Before going right into a more detailed comparison, here is a quick introduction of how the E-M5 II scores versus the E90 in terms of portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Olympus OM-D E-M5 II and Pentax Optio E90. The entire galleries are viewable at Olympus E-M5 II Gallery and Pentax E90 Gallery.

If you are intending to lug around your camera, you will want to factor in its weight and proportions. The Olympus E-M5 II features outside dimensions of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") accompanied by a weight of 469 grams (1.03 lbs) and the Pentax E90 has measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") having a weight of 145 grams (0.32 lbs).

Take a look at the Olympus E-M5 II versus Pentax E90 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at that time. Here is a front view scale comparison of the E-M5 II versus the E90.

Factoring in size and weight, the portability rating of the E-M5 II and E90 is 80 and 94 respectively.

In many cases, it is very hard to picture the difference between sensor measurements just by looking at technical specs. The visual below should give you a better sense of the sensor sizes in the E-M5 II and E90.

As you have seen, the two cameras provide different megapixels and different sensor measurements. The E-M5 II featuring a larger sensor is going to make getting shallower depth of field easier and the Olympus E-M5 II will give greater detail due to its extra 6 Megapixels. Greater resolution will enable you to crop photos more aggressively. The fresher E-M5 II provides an edge when it comes to sensor technology.