Olympus E-M10 vs Pentax K-3

On this page, we are comparing the Olympus E-M10 and Pentax K-3, one is a Entry-Level Mirrorless and the other is a Advanced DSLR by rivals Olympus and Pentax. There is a big difference among the resolutions of the E-M10 (16MP) and K-3 (24MP) and the E-M10 (Four Thirds) and K-3 (APS-C) offer different sensor sizes.

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The E-M10 was revealed very close to the K-3 so they are of a similar generation. Both of these cameras have different body design with the Olympus E-M10 being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving straight to a in-depth comparison, here is a short view of how the E-M10 matches up against the K-3 with regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Olympus OM-D E-M10 and Pentax K-3. The full galleries are available at Olympus E-M10 Gallery and Pentax K-3 Gallery.

If you're intending to travel with your camera frequently, you will have to consider its weight and size. The Olympus E-M10 features outer measurements of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") having a weight of 396 grams (0.87 lbs) and the Pentax K-3 has specifications of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Examine the Olympus E-M10 and Pentax K-3 in the latest Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with at that time. Here is a front view sizing comparison of the E-M10 versus the K-3.

Looking at size and weight, the portability score of the E-M10 and K-3 is 82 and 59 respectively.

Generally, it can be hard to imagine the difference in sensor dimensions purely by checking out specifications. The picture here may provide you a clearer sense of the sensor measurements in the E-M10 and K-3.

To sum up, both of those cameras provide different megapixels and different sensor dimensions. The E-M10 using its smaller sensor is going to make achieving bokeh more challenging and the Pentax K-3 will show greater detail because of its extra 8 Megapixels. Greater resolution can also let you crop images more aggressively.