Olympus E-M5 III vs Pentax K-7

The following is a detailed assessment of the Olympus E-M5 III versus Pentax K-7, former is a Advanced Mirrorless while the other is a Advanced DSLR by brands Olympus and Pentax. There exists a sizable gap among the sensor resolutions of the E-M5 III (20MP) and K-7 (15MP) and the E-M5 III (Four Thirds) and K-7 (APS-C) provide different sensor sizes.

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The E-M5 III was manufactured 10 years after the K-7 which is a fairly significant difference as far as camera technology is concerned. Both the cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax K-7 being a Mid-size SLR camera.

Before we go into a in depth comparison, here is a quick view of how the E-M5 III matches up against the K-7 in the way of portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Olympus OM-D E-M5 III & Pentax K-7. The entire galleries are provided at Olympus E-M5 III Gallery & Pentax K-7 Gallery.

In case you're planning to travel with your camera often, you will want to factor its weight and proportions. The Olympus E-M5 III features outer measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") and a weight of 414 grams (0.91 lbs) and the Pentax K-7 has measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).

See the Olympus E-M5 III versus Pentax K-7 in our brand new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary based on the lens you select at that moment. Here is a front view measurements comparison of the E-M5 III versus the K-7.

Factoring in dimensions and weight, the portability rating of the E-M5 III and K-7 is 80 and 60 respectively.

Quite often, its difficult to imagine the contrast in sensor dimensions simply by seeing technical specs. The image underneath should provide you a much better sense of the sensor measurements in the E-M5 III and K-7.

As you have seen, both of the cameras come with different megapixels and different sensor dimensions. The E-M5 III because of its smaller sensor is going to make getting shallow DOF harder and the Olympus E-M5 III will produce extra detail due to its extra 5 Megapixels. Greater resolution will help you crop photos a good deal more aggressively. The more recent E-M5 III provides a benefit when it comes to sensor technology.