Olympus E-M1 III vs Pentax K100D

Following is a detailed analysis of the Olympus E-M1 III versus Pentax K100D, one is a Pro Mirrorless and the latter is a Entry-Level DSLR by companies Olympus and Pentax. There exists a crucial gap between the resolutions of the E-M1 III (20MP) and K100D (6MP) and the E-M1 III (Four Thirds) and K100D (APS-C) feature different sensor dimensions.

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The E-M1 III was released 13 years after the K100D which is quite a serious gap as far as technology is concerned. Both cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before going straight into a in-depth comparison, below is a short overview of how the E-M1 III scores vs the K100D in regards to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Olympus OM-D E-M1 Mark III and Pentax K100D. The complete galleries are available at Olympus E-M1 III Gallery and Pentax K100D Gallery.

For those who are aiming to carry around your camera frequently, you're going to have to factor its weight and dimensions. The Olympus E-M1 III features external dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) whilst the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") with a weight of 660 grams (1.46 lbs).

Compare the Olympus E-M1 III versus Pentax K100D in the new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilizing at that time. Underneath is the front view measurements comparison of the E-M1 III compared to the K100D.

Taking into account dimensions and weight, the portability score of the E-M1 III and K100D is 67 and 64 respectively.

Typically, it's hard to imagine the contrast between sensor sizes only by going over specifications. The pic underneath may provide you a more clear sense of the sensor dimensions in the E-M1 III and K100D.

Plainly, both of those cameras have got different megapixels and different sensor sizes. The E-M1 III due to its tinier sensor is going to make shooting shallower DOF more challenging and the Olympus E-M1 III will deliver extra detail as a result of its extra 14 Megapixels. Higher resolution can also enable you to crop photographs much more aggressively. The fresher E-M1 III provides a benefit with regard to sensor innovation.