Olympus E-M10 vs Pentax K100D

Here is a in depth review of the Olympus E-M10 and Pentax K100D, former being a Entry-Level Mirrorless while the latter is a Entry-Level DSLR by companies Olympus and Pentax. There exists a sizable gap among the image resolutions of the E-M10 (16MP) and K100D (6MP) and the E-M10 (Four Thirds) and K100D (APS-C) enjoy totally different sensor sizes.

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The E-M10 was manufactured 7 years later than the K100D and that is a fairly significant difference as far as camera technology is concerned. Each of the cameras come with different body type with the Olympus E-M10 being a SLR-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before we go through a detailed comparison, below is a brief summation of how the E-M10 scores against the K100D with regards to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Olympus OM-D E-M10 & Pentax K100D. The entire galleries are provided at Olympus E-M10 Gallery & Pentax K100D Gallery.

If you're going to carry your camera frequently, you'll need to factor in its weight and volume. The Olympus E-M10 offers outside dimensions of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") having a weight of 396 grams (0.87 lbs) whilst the Pentax K100D has sizing of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") having a weight of 660 grams (1.46 lbs).

Examine the Olympus E-M10 and Pentax K100D in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary dependant on the lens you have during that time. The following is the front view measurements comparison of the E-M10 compared to the K100D.

Taking into account dimensions and weight, the portability rating of the E-M10 and K100D is 82 and 64 respectively.

Sometimes, it can be tough to envision the gap in sensor sizing simply by seeing technical specs. The graphic underneath might give you a stronger sense of the sensor dimensions in the E-M10 and K100D.

As you have seen, the 2 cameras posses different megapixel count and different sensor sizing. The E-M10 featuring a smaller sensor will make shooting bokeh trickier and the Olympus E-M10 will show greater detail due to its extra 10 Megapixels. Higher resolution will also allow you to crop pictures somewhat more aggressively. The more modern E-M10 will have a benefit with regard to sensor innovation.