Olympus E-P5 vs Pentax K100D

Lets look closer at the Olympus E-P5 and Pentax K100D, former being a Entry-Level Mirrorless while the latter is a Entry-Level DSLR by brands Olympus and Pentax. There is a considerable difference between the resolutions of the E-P5 (16MP) and K100D (6MP) and the E-P5 (Four Thirds) and K100D (APS-C) provide totally different sensor size.

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The E-P5 was launched 6 years later than the K100D and that is quite a large difference as far as tech is concerned. Both of the cameras feature different body design with the Olympus E-P5 being a Rangefinder-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before delving right into a comprehensive comparison, here is a simple overview of how the E-P5 grades versus the K100D in the way of portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus PEN E-P5 & Pentax K100D. The complete galleries are viewable at Olympus E-P5 Gallery & Pentax K100D Gallery.

If you are intending to carry your camera regularly, you're going to have to take into account its weight and proportions. The Olympus E-P5 features external measurements of 122mm x 69mm x 37mm (4.8" x 2.7" x 1.5") accompanied by a weight of 420 grams (0.93 lbs) and the Pentax K100D has measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs).

Compare the Olympus E-P5 and Pentax K100D in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you have at that moment. The following is a front view measurements comparison of the E-P5 against the K100D.

Looking at size and weight, the portability grade of the E-P5 and K100D is 85 and 64 respectively.

Often, it can be hard to envision the gap between sensor sizing just by reading through a spec sheet. The photograph below should provide you a more clear sense of the sensor sizing in the E-P5 and K100D.

Clearly, each of these cameras come with different resolutions and different sensor sizing. The E-P5 featuring a tinier sensor will make shooting shallow DOF more difficult and the Olympus E-P5 will resolve more detail utilizing its extra 10 Megapixels. Higher resolution can also let you crop photographs a good deal more aggressively. The fresher E-P5 will have an advantage in sensor innovation.