Olympus E-M5 III vs Pentax K-70

Let's take a deeper look at the Olympus E-M5 III and Pentax K-70, one being a Advanced Mirrorless and the other is a Entry-Level DSLR by companies Olympus and Pentax. The sensor resolution of the E-M5 III (20MP) and the K-70 (24MP) is fairly close but the E-M5 III (Four Thirds) and K-70 (APS-C) have different sensor sizing.

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The E-M5 III was introduced 3 years later than the K-70 and that is a fairly serious gap as far as camera tech is concerned. Each of these cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax K-70 being a Compact SLR camera.

Before getting into a detailed comparison, here is a short overview of how the E-M5 III grades vs the K-70 in the way of portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Olympus OM-D E-M5 III and Pentax K-70. The whole galleries are available at Olympus E-M5 III Gallery and Pentax K-70 Gallery.

When you are looking to carry your camera frequently, you have to think about its weight and measurements. The Olympus E-M5 III has got outside measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") accompanied by a weight of 414 grams (0.91 lbs) and the Pentax K-70 has proportions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") with a weight of 688 grams (1.52 lbs).

Contrast the Olympus E-M5 III and Pentax K-70 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at the time. Underneath is a front view proportions comparison of the E-M5 III versus the K-70.

Taking into account size and weight, the portability rating of the E-M5 III and K-70 is 80 and 62 respectively.

Usually, its tough to visualize the difference in sensor sizing purely by viewing specifications. The visual here should provide you a stronger sense of the sensor measurements in the E-M5 III and K-70.

Plainly, both the cameras provide different megapixels and different sensor sizing. The E-M5 III with its smaller sensor is going to make getting shallower DOF trickier and the Pentax K-70 will render greater detail using its extra 4 Megapixels. Greater resolution will let you crop pics more aggressively. The newer E-M5 III should have a benefit when it comes to sensor tech.