Olympus E-M1 III vs Pentax Q7

The following is a comprehensive assessment of the Olympus E-M1 III versus Pentax Q7, one is a Pro Mirrorless and the latter is a Entry-Level Mirrorless by companies Olympus and Pentax. There is a sizeable difference between the image resolutions of the E-M1 III (20MP) and Q7 (12MP) and the E-M1 III (Four Thirds) and Q7 (1/1.7") posses different sensor size.

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The E-M1 III was announced 6 years after the Q7 which is quite a large gap as far as tech is concerned. Each of these cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax Q7 being a Rangefinder-style mirrorless camera.

Before diving right into a step-by-step comparison, here is a simple summary of how the E-M1 III scores against the Q7 in the way of portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Olympus OM-D E-M1 Mark III and Pentax Q7. The whole galleries are viewable at Olympus E-M1 III Gallery and Pentax Q7 Gallery.

If you're intending to travel with your camera, you'll have to consider its weight and proportions. The Olympus E-M1 III has got outer measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) whilst the Pentax Q7 has measurements of 102mm x 58mm x 34mm (4.0" x 2.3" x 1.3") and a weight of 200 grams (0.44 lbs).

Contrast the Olympus E-M1 III versus Pentax Q7 in the new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing at that moment. Here is a front view physical size comparison of the E-M1 III against the Q7.

Considering size and weight, the portability rating of the E-M1 III and Q7 is 67 and 92 respectively.

Often, it is very hard to visualize the contrast between sensor dimensions merely by looking at a spec sheet. The picture here should provide you a far better sense of the sensor sizing in the E-M1 III and Q7.

Clearly, the 2 cameras feature different megapixel count and different sensor dimensions. The E-M1 III with its bigger sensor is going to make shooting shallower DOF less difficult and the Olympus E-M1 III will give you more detail with its extra 8MP. Higher resolution will also let you crop pictures way more aggressively. The fresher E-M1 III provides a benefit when it comes to sensor technology.