Olympus E-M5 II vs Pentax K-3

Its time to look a little more in depth at the Olympus E-M5 II and Pentax K-3, former is a Advanced Mirrorless while the other is a Advanced DSLR by competitors Olympus and Pentax. There is a noticeable difference among the sensor resolutions of the E-M5 II (16MP) and K-3 (24MP) and the E-M5 II (Four Thirds) and K-3 (APS-C) posses different sensor sizing.

Photography Glossary

The E-M5 II was revealed 11 months after the K-3 which means that they are of a similar age. The two cameras have different body design with the Olympus E-M5 II being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before going straight to a complete comparison, here is a simple view of how the E-M5 II scores versus the K-3 in the way of portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Olympus OM-D E-M5 II & Pentax K-3. The full galleries are viewable at Olympus E-M5 II Gallery & Pentax K-3 Gallery.

In case you're aiming to travel with your camera, you'll need to consider its weight and measurements. The Olympus E-M5 II provides outside dimensions of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") accompanied by a weight of 469 grams (1.03 lbs) whilst the Pentax K-3 has proportions 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-M5 II and Pentax K-3 in our newest Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will change dependant on the lens you select at that moment. The following is a front view measurements comparison of the E-M5 II against the K-3.

Considering size and weight, the portability grade of the E-M5 II and K-3 is 80 and 59 respectively.

Oftentimes, its tough to imagine the difference in sensor dimensions just by going through technical specs. The picture here should provide you a clearer sense of the sensor dimensions in the E-M5 II and K-3.

As you can tell, the 2 cameras provide different megapixel count and different sensor dimensions. The E-M5 II using its smaller sensor is going to make getting shallower DOF more difficult and the Pentax K-3 will produce extra detail because of its extra 8MP. Greater resolution will also let you crop images more aggressively. The more recent E-M5 II should have a benefit in sensor innovation.