Olympus E-M1 III vs Pentax K-r

Let's look more in depth at the Olympus E-M1 III and Pentax K-r, former is a Pro Mirrorless while the latter is a Entry-Level DSLR by competitors Olympus and Pentax. There exists a sizable gap among the resolutions of the E-M1 III (20MP) and K-r (12MP) and the E-M1 III (Four Thirds) and K-r (APS-C) provide totally different sensor size.

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The E-M1 III was brought out 9 years after the K-r which is a fairly significant difference as far as camera technology is concerned. Each of these cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K-r being a Compact SLR camera.

Before going into a full comparison, here is a concise highlight of how the E-M1 III matches up versus the K-r in the way of portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Olympus OM-D E-M1 Mark III & Pentax K-r. The entire galleries are available at Olympus E-M1 III Gallery & Pentax K-r Gallery.

If you are aiming to travel with your camera often, you'll have to factor its weight and size. The Olympus E-M1 III provides outer 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-r has specifications of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs).

Check out the Olympus E-M1 III and Pentax K-r in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change based on the lens you choose at the time. Here is a front view measurements comparison of the E-M1 III versus the K-r.

Considering dimensions and weight, the portability grade of the E-M1 III and K-r is 67 and 67 respectively.

Normally, its hard to envision the gap in sensor dimensions merely by going through technical specs. The image underneath might give you a clearer sense of the sensor dimensions in the E-M1 III and K-r.

As you have seen, both of the cameras come with different megapixel count and different sensor dimensions. The E-M1 III because of its smaller sensor will make shooting shallow depth of field trickier and the Olympus E-M1 III will show extra detail having its extra 8MP. Higher resolution will also help you crop shots a good deal more aggressively. The younger E-M1 III will have a benefit with regard to sensor technology.