Olympus E-M10 III vs Pentax K-3

Lets take a closer look at the Olympus E-M10 III and Pentax K-3, former is a Entry-Level Mirrorless while the other is a Advanced DSLR by companies Olympus and Pentax. There exists a sizable gap among the resolutions of the E-M10 III (16MP) and K-3 (24MP) and the E-M10 III (Four Thirds) and K-3 (APS-C) provide different sensor dimensions.

Photography Glossary

The E-M10 III was introduced 3 years after the K-3 which is a fairly significant difference as far as camera technology is concerned. Both cameras feature different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before diving right into a step-by-step comparison, here is a quick highlight of how the E-M10 III grades vs the K-3 in relation to portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Olympus OM-D E-M10 Mark III & Pentax K-3. The whole galleries are available at Olympus E-M10 III Gallery & Pentax K-3 Gallery.

In case you're going to travel with your camera often, you have to factor its weight and dimensions. The Olympus E-M10 III provides physical measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") having a weight of 410 grams (0.90 lbs) whilst the Pentax K-3 has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs).

Examine the Olympus E-M10 III and Pentax K-3 in our newest Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ based on the lens you are utilizing at that time. Underneath is a front view physical size comparison of the E-M10 III versus the K-3.

Taking into consideration dimensions and weight, the portability rating of the E-M10 III and K-3 is 80 and 59 respectively.

More often than not, it can be tough to imagine the difference in sensor dimensions only by checking out specs. The pic here will provide you a stronger sense of the sensor sizing in the E-M10 III and K-3.

As you can plainly see, both the cameras come with different megapixel count and different sensor dimensions. The E-M10 III with its smaller sensor is going to make achieving shallower DOF tougher and the Pentax K-3 will show extra detail using its extra 8 Megapixels. Greater resolution will also allow you to crop photos a good deal more aggressively. The more recent E-M10 III provides an advantage with regard to sensor tech.