Olympus E-M1 III vs Pentax K100D S

Its time to look a bit more in depth at the Olympus E-M1 III vs Pentax K100D S, one is a Pro Mirrorless and the latter is a Entry-Level DSLR by companies Olympus and Pentax. There is a sizeable difference among the resolutions of the E-M1 III (20MP) and K100D S (6MP) and the E-M1 III (Four Thirds) and K100D S (APS-C) use different sensor size.

Photobucket discusses licensing 13 billion images with AI firms

The E-M1 III was launched 12 years after the K100D S which is a fairly large gap as far as camera tech is concerned. Each of these cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before diving in to a in depth comparison, below is a brief introduction of how the E-M1 III grades versus the K100D S 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 Super. The complete galleries are available at Olympus E-M1 III Gallery and Pentax K100D S Gallery.

If you are aiming to carry around your camera regularly, you're going to have to factor its weight and proportions. The Olympus E-M1 III features outside dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) whilst the Pentax K100D S has measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs).

Check the Olympus E-M1 III vs Pentax K100D S in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you use during that time. Underneath is the front view size comparison of the E-M1 III and the K100D S.

Looking at size and weight, the portability score of the E-M1 III and K100D S is 67 and 65 respectively.

Oftentimes, it can be hard to picture the gap in sensor sizes merely by researching technical specs. The picture here will help offer you a clearer sense of the sensor sizes in the E-M1 III and K100D S.

As you can tell, both cameras offer different megapixel count and different sensor sizes. The E-M1 III due to its smaller sensor is going to make achieving shallow DOF more challenging and the Olympus E-M1 III will provide you with greater detail utilizing its extra 14MP. Higher resolution will also help you crop pictures a little more aggressively. The newer E-M1 III provides an edge in sensor tech.