Olympus E-M1X vs Pentax K-5 IIs

Its time to look closer at the Olympus E-M1X and Pentax K-5 IIs, one is a Pro Mirrorless and the other is a Advanced DSLR by brands Olympus and Pentax. There is a crucial difference between the sensor resolutions of the E-M1X (20MP) and K-5 IIs (16MP) and the E-M1X (Four Thirds) and K-5 IIs (APS-C) posses totally different sensor sizing.

Photography Glossary

The E-M1X was launched 5 years after the K-5 IIs which is quite a serious gap as far as tech is concerned. Each of the cameras have different body design with the Olympus E-M1X being a SLR-style mirrorless camera and the Pentax K-5 IIs being a Mid-size SLR camera.

Before diving into a step-by-step comparison, here is a quick summary of how the E-M1X grades vs the K-5 IIs in regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Olympus OM-D E-M1X and Pentax K-5 IIs. The complete galleries are available at Olympus E-M1X Gallery and Pentax K-5 IIs Gallery.

When you are aiming to travel with your camera frequently, you have to factor its weight and size. The Olympus E-M1X offers external dimensions of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") with a weight of 997 grams (2.20 lbs) whilst the Pentax K-5 IIs has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 760 grams (1.68 lbs).

Examine the Olympus E-M1X and Pentax K-5 IIs in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with during that time. Here is a front view size comparison of the E-M1X against the K-5 IIs.

Looking at size and weight, the portability grade of the E-M1X and K-5 IIs is 54 and 60 respectively.

Often, its hard to visualise the difference between sensor dimensions purely by going over specs. The image here may provide you a more clear sense of the sensor sizes in the E-M1X and K-5 IIs.

All in all, both cameras provide different resolutions and different sensor dimensions. The E-M1X due to its tinier sensor will make achieving bokeh harder and the Olympus E-M1X will offer greater detail utilizing its extra 4MP. Greater resolution will help you crop images more aggressively. The newer E-M1X will have a benefit with regard to sensor tech.