Olympus E-P5 vs Pentax K-3

Here, we will be comparing the Olympus E-P5 versus Pentax K-3, one is a Entry-Level Mirrorless and the latter is a Advanced DSLR by brands Olympus and Pentax. There is a big difference among the resolutions of the E-P5 (16MP) and K-3 (24MP) and the E-P5 (Four Thirds) and K-3 (APS-C) boast totally different sensor size.

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The E-P5 was announced 6 months before the K-3 which means that they are of a similar generation. Each of these cameras feature different body design with the Olympus E-P5 being a Rangefinder-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 concise introduction of how the E-P5 scores against the K-3 with regards to portability, imaging, features and an overall score.

Following is a preview of the gallery images for Olympus PEN E-P5 and Pentax K-3. The whole galleries are viewable at Olympus E-P5 Gallery and Pentax K-3 Gallery.

For anybody who is going to carry around your camera regularly, you'll have to consider its weight and volume. The Olympus E-P5 has got outside dimensions of 122mm x 69mm x 37mm (4.8" x 2.7" x 1.5") and a weight of 420 grams (0.93 lbs) and the Pentax K-3 has sizing of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") and a weight of 800 grams (1.76 lbs).

See the Olympus E-P5 versus Pentax K-3 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are using at that time. Here is a front view size comparison of the E-P5 against the K-3.

Factoring in size and weight, the portability grade of the E-P5 and K-3 is 85 and 59 respectively.

Generally, its tough to see the difference in sensor sizes just by seeing specs. The pic below should offer you a greater sense of the sensor dimensions in the E-P5 and K-3.

All in all, both of those cameras come with different resolutions and different sensor sizes. The E-P5 using its smaller sensor will make getting shallower DOF trickier and the Pentax K-3 will provide more detail with its extra 8 Megapixels. Higher resolution will make it easier to crop photographs a good deal more aggressively.