Olympus E-M10 vs Pentax 645D

Below is a in-depth analysis of the Olympus E-M10 vs Pentax 645D, one being a Entry-Level Mirrorless and the other is a Pro DSLR by rivals Olympus and Pentax. There exists a sizeable gap among the image resolutions of the E-M10 (16MP) and 645D (40MP) and the E-M10 (Four Thirds) and 645D (Medium format) boast totally different sensor dimensions.

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The E-M10 was revealed 4 years later than the 645D and that is a fairly large gap as far as camera technology is concerned. The two cameras have different body design with the Olympus E-M10 being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before getting into a in depth comparison, here is a brief highlight of how the E-M10 grades versus the 645D with respect to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Olympus OM-D E-M10 and Pentax 645D. The full galleries are available at Olympus E-M10 Gallery and Pentax 645D Gallery.

In case you're going to lug around your camera, you will have to factor its weight and measurements. The Olympus E-M10 has got external measurements of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") accompanied by a weight of 396 grams (0.87 lbs) whilst the Pentax 645D has proportions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).

Examine the Olympus E-M10 vs Pentax 645D in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen at that time. Here is a front view sizing comparison of the E-M10 against the 645D.

Taking into consideration dimensions and weight, the portability rating of the E-M10 and 645D is 82 and 50 respectively.

Sometimes, it is tough to see the gap in sensor measurements only by checking out specs. The graphic underneath will provide you a far better sense of the sensor measurements in the E-M10 and 645D.

All in all, both cameras provide different megapixels and different sensor measurements. The E-M10 with its smaller sensor will make getting bokeh more challenging and the Pentax 645D will provide more detail because of its extra 24MP. Greater resolution will allow you to crop pics more aggressively. The fresher E-M10 is going to have an edge in sensor technology.