Pentax 645Z vs Pentax KP

Here is a complete comparison of the Pentax 645Z vs Pentax KP, one being a Pro DSLR and the other is a Advanced DSLR and both are produced by Pentax. There is a crucial difference among the image resolutions of the 645Z (51MP) and KP (24MP) and the 645Z (Medium format) and KP (APS-C) enjoy different sensor size.

Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

The 645Z was brought out 3 years prior to the KP and that is a fairly serious gap as far as camera tech is concerned. Both the cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Pentax KP being a Mid-size SLR camera.

Before delving straight into a thorough comparison, below is a quick synopsis of how the 645Z scores vs the KP with regards to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Pentax 645Z and Pentax KP. The entire galleries are viewable at Pentax 645Z Gallery and Pentax KP Gallery.

When you are looking to carry your camera frequently, you should take into account its weight and volume. The Pentax 645Z comes with physical dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs) whilst the Pentax KP has sizing of 132mm x 101mm x 76mm (5.2" x 4.0" x 3.0") along with a weight of 703 grams (1.55 lbs).

Contrast the Pentax 645Z vs Pentax KP in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you have at that time. Following is the front view proportions comparison of the 645Z compared to the KP.

Using size and weight, the portability rating of the 645Z and KP is 49 and 61 respectively.

Often, its tough to imagine the gap in sensor sizing merely by looking through technical specs. The graphic here will help provide you a more clear sense of the sensor sizes in the 645Z and KP.

As you can tell, the two cameras enjoy different resolutions and different sensor sizing. The 645Z due to its larger sensor is going to make achieving shallow DOF easier and the Pentax 645Z will provide you with extra detail having its extra 27 Megapixels. Greater resolution will also enable you to crop images far more aggressively. The older 645Z will be behind when it comes to sensor innovation.