Olympus E-M1 III vs Pentax K-5

Lets look closer at the Olympus E-M1 III versus Pentax K-5, one being a Pro Mirrorless and the latter is a Advanced DSLR by manufacturers Olympus and Pentax. There is a big difference between the sensor resolutions of the E-M1 III (20MP) and K-5 (16MP) and the E-M1 III (Four Thirds) and K-5 (APS-C) possess different sensor sizes.

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The E-M1 III was announced 9 years later than the K-5 and that is quite a big gap as far as tech is concerned. Both of these cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K-5 being a Mid-size SLR camera.

Before diving straight into a thorough comparison, below is a concise summary of how the E-M1 III scores vs the K-5 when considering portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus OM-D E-M1 Mark III and Pentax K-5. The whole galleries are available at Olympus E-M1 III Gallery and Pentax K-5 Gallery.

For anybody who is intending to carry your camera, you have to think about its weight and dimensions. The Olympus E-M1 III comes with outside 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 K-5 has dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs).

Examine the Olympus E-M1 III versus Pentax K-5 in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen at that moment. Here is the front view overall size comparison of the E-M1 III versus the K-5.

Considering size and weight, the portability grade of the E-M1 III and K-5 is 67 and 60 respectively.

Usually, it's tough to picture the contrast between sensor sizing merely by going over specifications. The graphic below may offer you a far better sense of the sensor sizes in the E-M1 III and K-5.

Plainly, each of these cameras posses different megapixel count and different sensor sizing. The E-M1 III using its tinier sensor is going to make achieving shallow depth of field more difficult and the Olympus E-M1 III will offer more detail with its extra 4 Megapixels. Higher resolution will also help you crop photographs somewhat more aggressively. The more modern E-M1 III should have an advantage with regard to sensor tech.