Olympus E-M5 II vs Pentax K20D

Following is a thorough comparison of the Olympus E-M5 II and Pentax K20D, one is a Advanced Mirrorless and the latter is a Advanced DSLR by rivals Olympus and Pentax. The image resolution of the E-M5 II (16MP) and the K20D (15MP) is relatively similar but the E-M5 II (Four Thirds) and K20D (APS-C) posses totally different sensor sizing.

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The E-M5 II was announced 6 years after the K20D which is quite a big gap as far as tech is concerned. Both of the cameras feature different body design with the Olympus E-M5 II being a SLR-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before getting straight to a in depth comparison, here is a quick summation of how the E-M5 II scores versus the K20D with regard to portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Olympus OM-D E-M5 II and Pentax K20D. The whole galleries are viewable at Olympus E-M5 II Gallery and Pentax K20D Gallery.

In case you're aiming to carry around your camera often, you're going to have to factor its weight and size. The Olympus E-M5 II features outside measurements of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") having a weight of 469 grams (1.03 lbs) whilst the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Look at the Olympus E-M5 II and Pentax K20D in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have at the time. Underneath is a front view over all size comparison of the E-M5 II against the K20D.

Looking at size and weight, the portability grade of the E-M5 II and K20D is 80 and 59 respectively.

Often, its hard to visualise the contrast between sensor sizes merely by reviewing specs. The pic here should give you a far better sense of the sensor sizing in the E-M5 II and K20D.

As you can plainly see, the two cameras feature different resolutions and different sensor sizes. The E-M5 II using its tinier sensor will make achieving shallower depth of field trickier and the Olympus E-M5 II will deliver extra detail with its extra 1MP. Higher resolution will make it easier to crop pictures way more aggressively. The younger E-M5 II is going to have a benefit when it comes to sensor innovation.