Panasonic GX8 vs Pentax 645Z

Below, we will be contrasting the Panasonic GX8 versus Pentax 645Z, former being a Advanced Mirrorless while the latter is a Pro DSLR by manufacturers Panasonic and Pentax. There exists a substantial gap between the resolutions of the GX8 (20MP) and 645Z (51MP) and the GX8 (Four Thirds) and 645Z (Medium format) possess different sensor measurements.

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The GX8 was launched 16 months later than the 645Z which makes the cameras a generation apart from one another. Each of these cameras come with different body type with the Panasonic GX8 being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before diving through a step-by-step comparison, below is a brief summary of how the GX8 matches up vs the 645Z for portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Panasonic Lumix DMC-GX8 & Pentax 645Z. The complete galleries are viewable at Panasonic GX8 Gallery & Pentax 645Z Gallery.

In case you're going to lug around your camera often, you have to take into account its weight and measurements. The Panasonic GX8 has outer dimensions of 133mm x 78mm x 63mm (5.2" x 3.1" x 2.5") and a weight of 487 grams (1.07 lbs) and the Pentax 645Z has proportions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Check the Panasonic GX8 versus Pentax 645Z in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ based on the lens you use at that moment. Following is the front view sizing comparison of the GX8 compared to the 645Z.

Using dimensions and weight, the portability score of the GX8 and 645Z is 74 and 49 respectively.

Normally, it's tough to visualize the gap between sensor measurements simply by checking a spec sheet. The visual underneath will help offer you a far better sense of the sensor sizes in the GX8 and 645Z.

As you can see, the 2 cameras have got different megapixel count and different sensor measurements. The GX8 because of its tinier sensor is going to make achieving shallower DOF harder and the Pentax 645Z will give you greater detail utilizing its extra 31 Megapixels. Higher resolution will also let you crop shots much more aggressively. The fresher GX8 provides a benefit with regard to sensor technology.