Olympus E-M1 III vs Pentax K10D

Following is a thorough assessment of the Olympus E-M1 III versus Pentax K10D, former is a Pro Mirrorless while the latter is a Advanced DSLR by brands Olympus and Pentax. There exists a considerable gap among the resolutions of the E-M1 III (20MP) and K10D (10MP) and the E-M1 III (Four Thirds) and K10D (APS-C) feature totally different sensor sizes.

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The E-M1 III was unveiled 13 years after the K10D which is a fairly large difference as far as camera technology is concerned. Both of these cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K10D being a Mid-size SLR camera.

Before we go in to a in depth comparison, below is a simple summary of how the E-M1 III grades vs the K10D in regards to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Olympus OM-D E-M1 Mark III & Pentax K10D. The full galleries are provided at Olympus E-M1 III Gallery & Pentax K10D Gallery.

In case you're looking to carry around your camera, you will have to factor in its weight and dimensions. The Olympus E-M1 III comes with exterior measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Pentax K10D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 793 grams (1.75 lbs).

Analyze the Olympus E-M1 III versus Pentax K10D in our brand new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you are utilizing during that time. Here is the front view size comparison of the E-M1 III and the K10D.

Factoring in dimensions and weight, the portability score of the E-M1 III and K10D is 67 and 59 respectively.

More often than not, it can be difficult to visualise the difference in sensor sizes merely by looking through a spec sheet. The image underneath should provide you a clearer sense of the sensor sizing in the E-M1 III and K10D.

Clearly, both of the cameras offer different resolutions and different sensor sizes. The E-M1 III having a smaller sensor will make getting shallower depth of field trickier and the Olympus E-M1 III will render extra detail having an extra 10 Megapixels. Higher resolution will make it easier to crop shots a little more aggressively. The fresher E-M1 III is going to have an advantage when it comes to sensor innovation.