Olympus E-M1 III vs Pentax H90

Below, we are analyzing the Olympus E-M1 III versus Pentax H90, one is a Pro Mirrorless and the other is a Small Sensor Compact by brands Olympus and Pentax. There exists a significant gap between the image resolutions of the E-M1 III (20MP) and H90 (12MP) and the E-M1 III (Four Thirds) and H90 (1/2.3") use different sensor sizing.

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The E-M1 III was manufactured 10 years after the H90 which is quite a sizable gap as far as technology is concerned. Both of the cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax H90 being a Compact camera.

Before diving in to a thorough comparison, below is a short view of how the E-M1 III grades versus the H90 in regards to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III and Pentax Optio H90. The entire galleries are available at Olympus E-M1 III Gallery and Pentax H90 Gallery.

In case you're looking to travel with your camera often, you'll need to think about its weight and proportions. The Olympus E-M1 III provides physical measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs) whilst the Pentax H90 has measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") with a weight of 153 grams (0.34 lbs).

Take a look at the Olympus E-M1 III versus Pentax H90 in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at that time. Underneath is the front view dimension comparison of the E-M1 III against the H90.

Using dimensions and weight, the portability score of the E-M1 III and H90 is 67 and 93 respectively.

Quite often, it is very difficult to imagine the difference between sensor dimensions only by checking specs. The picture here will help provide you a more clear sense of the sensor measurements in the E-M1 III and H90.

As you can plainly see, both of the cameras posses different megapixels and different sensor dimensions. The E-M1 III because of its larger sensor is going to make getting shallow DOF simpler and the Olympus E-M1 III will give you extra detail due to its extra 8 Megapixels. Greater resolution can also make it easier to crop photos somewhat more aggressively. The newer E-M1 III should have an edge in sensor innovation.