Olympus E-M10 II vs Pentax 645D

Here, we are analyzing the Olympus E-M10 II and Pentax 645D, former is a Entry-Level Mirrorless while the other is a Pro DSLR by brands Olympus and Pentax. There exists a large gap among the resolutions of the E-M10 II (16MP) and 645D (40MP) and the E-M10 II (Four Thirds) and 645D (Medium format) offer different sensor size.

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The E-M10 II was brought out 5 years after the 645D which is a fairly serious difference as far as camera technology is concerned. Each of these cameras feature different body design with the Olympus E-M10 II being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before diving straight to a comprehensive comparison, here is a concise overview of how the E-M10 II scores versus the 645D in relation to portability, imaging, features and an overall mark.

Following is a sample of the gallery pics for Olympus OM-D E-M10 II & Pentax 645D. The entire galleries are available at Olympus E-M10 II Gallery & Pentax 645D Gallery.

If you are planning to travel with your camera frequently, you'll need to factor in its weight and size. The Olympus E-M10 II provides exterior measurements of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") along with a weight of 390 grams (0.86 lbs) whilst the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Analyze the Olympus E-M10 II and Pentax 645D in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you are utilising at that time. Below is a front view measurement comparison of the E-M10 II against the 645D.

Considering dimensions and weight, the portability score of the E-M10 II and 645D is 82 and 50 respectively.

Sometimes, it can be hard to imagine the gap in sensor dimensions purely by checking out specifications. The picture here might provide you a more clear sense of the sensor sizing in the E-M10 II and 645D.

To sum up, both of these cameras feature different resolutions and different sensor dimensions. The E-M10 II due to its smaller sensor is going to make getting shallow DOF trickier and the Pentax 645D will show extra detail having its extra 24 Megapixels. Greater resolution will also make it easier to crop photos way more aggressively. The younger E-M10 II should have an advantage with regard to sensor tech.