Pentax 645Z vs Pentax K-r

Below, we will be looking at the Pentax 645Z versus Pentax K-r, former being a Pro DSLR while the latter is a Entry-Level DSLR and they are both built by Pentax. There exists a sizable gap between the image resolutions of the 645Z (51MP) and K-r (12MP) and the 645Z (Medium format) and K-r (APS-C) possess totally different sensor sizes.

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The 645Z was brought out 3 years later than the K-r and that is quite a significant difference as far as technology is concerned. The two cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Pentax K-r being a Compact SLR camera.

Before we go through a in-depth comparison, below is a quick summation of how the 645Z matches up against the K-r for portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Pentax 645Z & Pentax K-r. The entire galleries are viewable at Pentax 645Z Gallery & Pentax K-r Gallery.

For those who are planning to carry your camera regularly, you are going to need to factor in its weight and proportions. The Pentax 645Z provides external dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) whilst the Pentax K-r has measurements of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs).

Analyze the Pentax 645Z versus Pentax K-r in our brand new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ depending on the lens you have chosen at that moment. Below is the front view dimension comparison of the 645Z compared to the K-r.

Taking into account dimensions and weight, the portability score of the 645Z and K-r is 49 and 67 respectively.

Sometimes, it can be difficult to see the contrast between sensor sizing simply by reviewing a spec sheet. The visual below will help provide you a far better sense of the sensor sizes in the 645Z and K-r.

As you can see, the two cameras posses different megapixels and different sensor sizing. The 645Z because of its bigger sensor will make shooting shallow DOF less difficult and the Pentax 645Z will offer you extra detail having its extra 39 Megapixels. Higher resolution will allow you to crop pictures somewhat more aggressively. The more recent 645Z will have an advantage when it comes to sensor technology.