Nikon D3X vs Pentax 645Z

In this write-up, we are evaluating the Nikon D3X versus Pentax 645Z, both Pro DSLR digital cameras by brands Nikon and Pentax. There is a big difference between the resolutions of the D3X (25MP) and 645Z (51MP) and the D3X (Full frame) and 645Z (Medium format) use different sensor sizes.

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The D3X was launched 6 years earlier than the 645Z which is quite a big gap as far as tech is concerned. Both the cameras offer the identical body type (Large SLR).

Before getting in to a detailed comparison, below is a short summary of how the D3X scores versus the 645Z with regard to portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Nikon D3X and Pentax 645Z. The complete galleries are available at Nikon D3X Gallery and Pentax 645Z Gallery.

When you are aiming to travel with your camera, you will have to consider its weight and proportions. The Nikon D3X features external dimensions of 160mm x 157mm x 88mm (6.3" x 6.2" x 3.5") having a weight of 1260 grams (2.78 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).

Analyze the Nikon D3X versus Pentax 645Z in the latest Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at the time. Here is the front view sizing comparison of the D3X and the 645Z.

Considering size and weight, the portability rating of the D3X and 645Z is 51 and 49 respectively.

Often, its difficult to visualize the contrast between sensor dimensions simply by reading specs. The image below may provide you a far better sense of the sensor dimensions in the D3X and 645Z.

As you can plainly see, both cameras enjoy different resolutions and different sensor dimensions. The D3X due to its tinier sensor is going to make getting shallower depth of field more difficult and the Pentax 645Z will offer more detail utilizing its extra 26 Megapixels. Greater resolution can also make it easier to crop pics far more aggressively. The more aged D3X is going to be behind when it comes to sensor technology.