Nikon D4 vs Pentax 645D

Following is a thorough review of the Nikon D4 and Pentax 645D, both Pro DSLR digital cameras by companies Nikon and Pentax. There is a sizeable difference between the resolutions of the D4 (16MP) and 645D (40MP) and the D4 (Full frame) and 645D (Medium format) come with totally different sensor size.

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The D4 was released 23 months after the 645D which makes the cameras a generation away from each other. Both of these cameras offer the identical body type (Large SLR).

Before diving in to a comprehensive comparison, below is a concise synopsis of how the D4 grades versus the 645D when considering portability, imaging, features and an overall score.

The following is a preview of the gallery images for Nikon D4 and Pentax 645D. The complete galleries are viewable at Nikon D4 Gallery and Pentax 645D Gallery.

In case you're looking to carry around your camera frequently, you have to factor its weight and proportions. The Nikon D4 comes with exterior measurements of 160mm x 157mm x 91mm (6.3" x 6.2" x 3.6") with a weight of 1340 grams (2.95 lbs) whilst the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs).

Contrast the Nikon D4 and Pentax 645D in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select at the time. Following is the front view proportions comparison of the D4 against the 645D.

Using size and weight, the portability score of the D4 and 645D is 50 and 50 respectively.

Oftentimes, it is tough to see the gap between sensor sizes only by looking at specs. The image here will help give you a much better sense of the sensor measurements in the D4 and 645D.

All in all, both of these cameras offer different megapixels and different sensor sizes. The D4 due to its tinier sensor will make getting bokeh tougher and the Pentax 645D will give greater detail as a result of its extra 24MP. Higher resolution will allow you to crop shots a little more aggressively. The more recent D4 is going to have a benefit when it comes to sensor tech.