Olympus E-M5 vs Pentax K100D S

Here is a extended review of the Olympus E-M5 versus Pentax K100D S, former being a Advanced Mirrorless while the other is a Entry-Level DSLR by companies Olympus and Pentax. There exists a considerable gap among the image resolutions of the E-M5 (16MP) and K100D S (6MP) and the E-M5 (Four Thirds) and K100D S (APS-C) provide totally different sensor sizes.

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The E-M5 was manufactured 4 years later than the K100D S and that is a fairly large difference as far as camera technology is concerned. Each of these cameras have different body design with the Olympus E-M5 being a SLR-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before getting into a step-by-step comparison, here is a quick view of how the E-M5 scores vs the K100D S in terms of portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Olympus OM-D E-M5 & Pentax K100D Super. The entire galleries are viewable at Olympus E-M5 Gallery & Pentax K100D S Gallery.

For those who are planning to carry your camera frequently, you are going to need to think about its weight and size. The Olympus E-M5 provides outside measurements of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") along with a weight of 425 grams (0.94 lbs) while the Pentax K100D S has specifications of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs).

Check out the Olympus E-M5 versus Pentax K100D S in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change dependant on the lens you are utilising during that time. Following is a front view dimension comparison of the E-M5 and the K100D S.

Considering dimensions and weight, the portability score of the E-M5 and K100D S is 81 and 65 respectively.

Sometimes, it can be hard to see the difference in sensor sizing simply by going through specifications. The visual here might provide you a much better sense of the sensor measurements in the E-M5 and K100D S.

To sum up, the 2 cameras provide different resolutions and different sensor sizing. The E-M5 featuring a smaller sensor will make shooting shallow DOF harder and the Olympus E-M5 will provide more detail due to its extra 10MP. Greater resolution will let you crop images more aggressively. The younger E-M5 will have a benefit with regard to sensor tech.