Olympus PEN-F vs Pentax 645Z

Below is a extensive analysis of the Olympus PEN-F and Pentax 645Z, former being a Advanced Mirrorless while the latter is a Pro DSLR by companies Olympus and Pentax. There exists a substantial gap among the resolutions of the PEN-F (20MP) and 645Z (51MP) and the PEN-F (Four Thirds) and 645Z (Medium format) posses different sensor sizing.

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The PEN-F was manufactured 22 months later than the 645Z which makes them a generation apart from one another. Both the cameras feature different body design with the Olympus PEN-F being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before we go straight to a full comparison, here is a simple introduction of how the PEN-F grades against the 645Z in the way of portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Olympus PEN-F & Pentax 645Z. The entire galleries are available at Olympus PEN-F Gallery & Pentax 645Z Gallery.

When you are planning to lug around your camera frequently, you will want to think about its weight and proportions. The Olympus PEN-F comes with external dimensions of 125mm x 72mm x 37mm (4.9" x 2.8" x 1.5") accompanied by a weight of 427 grams (0.94 lbs) whilst the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).

Check the Olympus PEN-F and Pentax 645Z in our newest Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary dependant on the lens you select at the time. Underneath is a front view dimension comparison of the PEN-F vs the 645Z.

Taking into consideration dimensions and weight, the portability grade of the PEN-F and 645Z is 84 and 49 respectively.

Quite often, its hard to imagine the contrast in sensor measurements purely by looking through specifications. The graphic underneath may offer you a more clear sense of the sensor sizes in the PEN-F and 645Z.

To sum up, both of those cameras feature different resolutions and different sensor measurements. The PEN-F featuring a smaller sensor is going to make shooting shallower DOF more challenging and the Pentax 645Z will render greater detail due to its extra 31 Megapixels. Higher resolution will also allow you to crop pictures way more aggressively. The fresher PEN-F should have an advantage in sensor innovation.