Olympus E-M1 vs Pentax K-01

Let's look a bit more closely at the Olympus E-M1 vs Pentax K-01, one being a Pro Mirrorless and the latter is a Entry-Level Mirrorless by rivals Olympus and Pentax. The image resolution of the E-M1 (16MP) and the K-01 (16MP) is relatively well matched but the E-M1 (Four Thirds) and K-01 (APS-C) possess totally different sensor sizing.

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The E-M1 was revealed 18 months later than the K-01 which makes the cameras a generation apart from each other. Both of the cameras come with the identical body type (SLR-style mirrorless).

Before getting straight into a detailed comparison, below is a concise view of how the E-M1 matches up vs the K-01 in terms of portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus OM-D E-M1 and Pentax K-01. The full galleries are viewable at Olympus E-M1 Gallery and Pentax K-01 Gallery.

For those who are looking to carry your camera regularly, you will want to take into account its weight and proportions. The Olympus E-M1 provides exterior measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") having a weight of 497 grams (1.10 lbs) while the Pentax K-01 has measurements of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") with a weight of 561 grams (1.24 lbs).

Analyze the Olympus E-M1 vs Pentax K-01 in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilizing at that time. Below is the front view measurement comparison of the E-M1 versus the K-01.

Looking at size and weight, the portability rating of the E-M1 and K-01 is 71 and 76 respectively.

Generally, it can be hard to see the gap between sensor sizing only by checking technical specs. The graphic here might give you a greater sense of the sensor sizing in the E-M1 and K-01.

As you have seen, each of the cameras have got the exact same resolution albeit not the same sensor sizing. The E-M1 has got the tinier sensor which will make obtaining shallower depth of field trickier. The fresher E-M1 will have an advantage in sensor innovation.