Olympus E-M10 III vs Pentax K-5

Following is a extended comparison of the Olympus E-M10 III and Pentax K-5, one is a Entry-Level Mirrorless and the latter is a Advanced DSLR by brands Olympus and Pentax. The sensor resolution of the E-M10 III (16MP) and the K-5 (16MP) is pretty comparable but the E-M10 III (Four Thirds) and K-5 (APS-C) feature totally different sensor dimensions.

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The E-M10 III was unveiled 6 years after the K-5 which is a fairly serious gap as far as camera technology is concerned. Both cameras come with different body type with the Olympus E-M10 III being a SLR-style mirrorless camera and the Pentax K-5 being a Mid-size SLR camera.

Before delving straight into a detailed comparison, below is a simple view of how the E-M10 III matches up against the K-5 in relation to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Olympus OM-D E-M10 Mark III and Pentax K-5. The full galleries are viewable at Olympus E-M10 III Gallery and Pentax K-5 Gallery.

When you are aiming to carry around your camera, you need to consider its weight and volume. The Olympus E-M10 III comes with external dimensions of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") and a weight of 410 grams (0.90 lbs) and the Pentax K-5 has sizing of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs).

Take a look at the Olympus E-M10 III and Pentax K-5 in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached at that time. Below is the front view over all size comparison of the E-M10 III against the K-5.

Taking into consideration dimensions and weight, the portability rating of the E-M10 III and K-5 is 80 and 60 respectively.

Normally, it can be tough to envision the difference in sensor sizes simply by checking out specs. The picture here may provide you a better sense of the sensor sizes in the E-M10 III and K-5.

As you can plainly see, both the cameras have got the exact same megapixels albeit not the same sensor sizes. The E-M10 III contains the smaller sensor which will make obtaining bokeh trickier. The more recent E-M10 III will have an advantage when it comes to sensor innovation.