Olympus E-P5 vs Pentax K-01

On this page, we are evaluating the Olympus E-P5 vs Pentax K-01, both Entry-Level Mirrorless cameras by brands Olympus and Pentax. The image resolution of the E-P5 (16MP) and the K-01 (16MP) is fairly comparable but the E-P5 (Four Thirds) and K-01 (APS-C) boast different sensor sizing.

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The E-P5 was manufactured 17 months later than the K-01 making them a generation apart from each other. Both of the cameras have different body design with the Olympus E-P5 being a Rangefinder-style mirrorless camera and the Pentax K-01 being a SLR-style mirrorless camera.

Before we go straight to a detailed comparison, here is a simple view of how the E-P5 matches up versus the K-01 in the way of portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Olympus PEN E-P5 and Pentax K-01. The entire galleries are provided at Olympus E-P5 Gallery and Pentax K-01 Gallery.

When you are intending to carry your camera, you need to factor its weight and size. The Olympus E-P5 comes with exterior dimensions of 122mm x 69mm x 37mm (4.8" x 2.7" x 1.5") with a weight of 420 grams (0.93 lbs) while the Pentax K-01 has specifications of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") with a weight of 561 grams (1.24 lbs).

Check the Olympus E-P5 vs Pentax K-01 in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at the time. Below is a front view physical size comparison of the E-P5 compared to the K-01.

Taking into consideration size and weight, the portability rating of the E-P5 and K-01 is 85 and 76 respectively.

In many cases, it's hard to imagine the gap in sensor sizing merely by seeing a spec sheet. The photograph here will help provide you a much better sense of the sensor dimensions in the E-P5 and K-01.

As you can see, both cameras have the same resolution but different sensor sizing. The E-P5 provides the smaller sensor which should make achieving shallow DOF more challenging. The more modern E-P5 provides an edge in sensor tech.