Olympus E-M1 III vs Pentax K-1

Lets look a little more closely at the Olympus E-M1 III vs Pentax K-1, one being a Pro Mirrorless and the other is a Advanced DSLR by rivals Olympus and Pentax. There is a crucial difference between the image resolutions of the E-M1 III (20MP) and K-1 (36MP) and the E-M1 III (Four Thirds) and K-1 (Full frame) posses different sensor measurements.

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The E-M1 III was introduced 4 years later than the K-1 and that is quite a serious gap as far as tech is concerned. The two cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K-1 being a Mid-size SLR camera.

Before diving into a full comparison, here is a quick introduction of how the E-M1 III scores versus the K-1 for portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Olympus OM-D E-M1 Mark III and Pentax K-1. The whole galleries are available at Olympus E-M1 III Gallery and Pentax K-1 Gallery.

For anybody who is going to carry your camera regularly, you need to factor its weight and proportions. The Olympus E-M1 III enjoys outside dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) while the Pentax K-1 has measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") with a weight of 1010 grams (2.23 lbs).

Check the Olympus E-M1 III vs Pentax K-1 in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that moment. Here is a front view proportions comparison of the E-M1 III vs the K-1.

Factoring in size and weight, the portability rating of the E-M1 III and K-1 is 67 and 55 respectively.

Often, it's difficult to visualize the difference between sensor sizing merely by reviewing a spec sheet. The visual underneath should offer you a clearer sense of the sensor dimensions in the E-M1 III and K-1.

As you can see, both cameras provide different megapixel count and different sensor sizing. The E-M1 III with its tinier sensor is going to make achieving bokeh more difficult and the Pentax K-1 will deliver extra detail using its extra 16MP. Greater resolution will help you crop pics more aggressively. The fresher E-M1 III provides a benefit in sensor innovation.