Olympus E-M1 III vs Pentax K-30

Below is a extended assessment of the Olympus E-M1 III and Pentax K-30, one being a Pro Mirrorless and the latter is a Advanced DSLR by manufacturers Olympus and Pentax. There is a crucial difference between the sensor resolutions of the E-M1 III (20MP) and K-30 (16MP) and the E-M1 III (Four Thirds) and K-30 (APS-C) enjoy totally different sensor measurements.

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The E-M1 III was brought out 7 years later than the K-30 and that is quite a serious gap as far as tech is concerned. Each of the cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K-30 being a Mid-size SLR camera.

Before getting in to a thorough comparison, below is a short summary of how the E-M1 III grades versus the K-30 in the way of portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Olympus OM-D E-M1 Mark III and Pentax K-30. The entire galleries are provided at Olympus E-M1 III Gallery and Pentax K-30 Gallery.

For those who are aiming to lug around your camera frequently, you will want to consider its weight and measurements. The Olympus E-M1 III has exterior measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) while the Pentax K-30 has proportions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") along with a weight of 650 grams (1.43 lbs).

Contrast the Olympus E-M1 III and Pentax K-30 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilizing at that moment. The following is the front view over all size comparison of the E-M1 III vs the K-30.

Looking at size and weight, the portability grade of the E-M1 III and K-30 is 67 and 63 respectively.

Usually, it is hard to envision the gap between sensor measurements purely by reading specs. The visual below may provide you a better sense of the sensor sizing in the E-M1 III and K-30.

All in all, both of these cameras posses different resolutions and different sensor measurements. The E-M1 III due to its tinier sensor will make achieving shallow depth of field harder and the Olympus E-M1 III will deliver extra detail having its extra 4 Megapixels. Higher resolution will also enable you to crop photographs somewhat more aggressively. The more modern E-M1 III will have an edge with regard to sensor tech.