Olympus E-M10 IV vs Pentax K20D

Its time to examine more in depth at the Olympus E-M10 IV and Pentax K20D, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by companies Olympus and Pentax. There is a large difference among the sensor resolutions of the E-M10 IV (20MP) and K20D (15MP) and the E-M10 IV (Four Thirds) and K20D (APS-C) enjoy totally different sensor measurements.

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The E-M10 IV was launched 12 years after the K20D which is a fairly serious difference as far as camera tech is concerned. Both of the cameras come with different body type with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before diving straight into a detailed comparison, below is a simple synopsis of how the E-M10 IV grades against the K20D with regards to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Olympus OM-D E-M10 IV & Pentax K20D. The complete galleries are viewable at Olympus E-M10 IV Gallery & Pentax K20D Gallery.

In case you're planning to carry around your camera regularly, you will want to consider its weight and dimensions. The Olympus E-M10 IV has got physical measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") accompanied by a weight of 383 grams (0.84 lbs) whilst the Pentax K20D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs).

Contrast the Olympus E-M10 IV and Pentax K20D in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you are utilizing during that time. Underneath is the front view physical size comparison of the E-M10 IV against the K20D.

Factoring in size and weight, the portability grade of the E-M10 IV and K20D is 81 and 59 respectively.

Usually, it's hard to visualise the difference in sensor sizes purely by looking through specs. The image underneath might give you a clearer sense of the sensor measurements in the E-M10 IV and K20D.

All in all, both of those cameras posses different resolutions and different sensor sizes. The E-M10 IV because of its smaller sensor will make getting shallower depth of field more challenging and the Olympus E-M10 IV will render more detail utilizing its extra 5MP. Higher resolution will help you crop photographs somewhat more aggressively. The more modern E-M10 IV will have a benefit when it comes to sensor tech.