Nikon Z6 II vs Pentax 645Z

Below, we are analyzing the Nikon Z6 II and Pentax 645Z, one being a Pro Mirrorless and the other is a Pro DSLR by rivals Nikon and Pentax. There exists a huge gap between the resolutions of the Z6 II (25MP) and 645Z (51MP) and the Z6 II (Full frame) and 645Z (Medium format) use totally different sensor sizing.

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The Z6 II was revealed 6 years later than the 645Z and that is quite a significant gap as far as technology is concerned. Both the cameras come with different body type with the Nikon Z6 II being a SLR-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before going straight into a comprehensive comparison, below is a quick summation of how the Z6 II matches up vs the 645Z when considering portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Nikon Z6 Mark II and Pentax 645Z. The full galleries are available at Nikon Z6 II Gallery and Pentax 645Z Gallery.

In case you're looking to lug around your camera regularly, you need to factor in its weight and proportions. The Nikon Z6 II provides outer measurements of 134mm x 101mm x 70mm (5.3" x 4.0" x 2.8") with a weight of 705 grams (1.55 lbs) and the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs).

Take a look at the Nikon Z6 II and Pentax 645Z in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at the time. Here is the front view sizing comparison of the Z6 II against the 645Z.

Using dimensions and weight, the portability grade of the Z6 II and 645Z is 61 and 49 respectively.

Typically, its difficult to visualise the contrast between sensor measurements simply by going over specifications. The graphic below will provide you a greater sense of the sensor measurements in the Z6 II and 645Z.

Plainly, both the cameras have got different megapixels and different sensor measurements. The Z6 II having a tinier sensor will make getting shallow depth of field tougher and the Pentax 645Z will offer you extra detail because of its extra 26 Megapixels. Greater resolution can also let you crop photos much more aggressively. The more recent Z6 II is going to have an advantage when it comes to sensor technology.