Olympus E-P5 vs Pentax K-3 II

Below is a detailed comparison of the Olympus E-P5 versus Pentax K-3 II, former being a Entry-Level Mirrorless while the other is a Advanced DSLR by competitors Olympus and Pentax. There is a large difference between the resolutions of the E-P5 (16MP) and K-3 II (24MP) and the E-P5 (Four Thirds) and K-3 II (APS-C) use different sensor size.

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The E-P5 was launched 18 months earlier than the K-3 II making the cameras a generation apart from each other. Each of the cameras come with different body type with the Olympus E-P5 being a Rangefinder-style mirrorless camera and the Pentax K-3 II being a Mid-size SLR camera.

Before going straight into a detailed comparison, below is a brief highlight of how the E-P5 grades against the K-3 II with regards to portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus PEN E-P5 & Pentax K-3 II. The complete galleries are available at Olympus E-P5 Gallery & Pentax K-3 II Gallery.

If you're going to lug around your camera regularly, you are going to need to factor its weight and volume. The Olympus E-P5 has exterior measurements 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-3 II has sizing of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs).

Take a look at the Olympus E-P5 versus Pentax K-3 II in our newest Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary based on the lens you are working with during that time. Following is the front view proportions comparison of the E-P5 versus the K-3 II.

Looking at size and weight, the portability grade of the E-P5 and K-3 II is 85 and 59 respectively.

Often, it is hard to imagine the contrast between sensor measurements only by reviewing specifications. The graphic underneath will provide you a far better sense of the sensor measurements in the E-P5 and K-3 II.

Plainly, both cameras have got different megapixel count and different sensor measurements. The E-P5 due to its tinier sensor is going to make achieving shallower DOF tougher and the Pentax K-3 II will offer you extra detail utilizing its extra 8MP. Greater resolution will also help you crop images much more aggressively. The older E-P5 is going to be disadvantaged in sensor technology.