Canon 1D X III vs Pentax 645Z

Here, we will be evaluating the Canon 1D X III vs Pentax 645Z, both Pro DSLR cameras by brands Canon and Pentax. There is a huge difference among the sensor resolutions of the 1D X III (20MP) and 645Z (51MP) and the 1D X III (Full frame) and 645Z (Medium format) provide different sensor measurements.

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The 1D X III was released 5 years later than the 645Z and that is a fairly significant gap as far as camera tech is concerned. Each of these cameras feature the same body design (Large SLR).

Before we go right into a in-depth comparison, here is a quick overview of how the 1D X III grades versus the 645Z with regard to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Canon EOS-1D X Mark III and Pentax 645Z. The complete galleries are provided at Canon 1D X III Gallery and Pentax 645Z Gallery.

When you are intending to carry your camera, you are going to need to consider its weight and proportions. The Canon 1D X III comes with physical dimensions of 158mm x 168mm x 83mm (6.2" x 6.6" x 3.3") with a weight of 1440 grams (3.17 lbs) and the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs).

Look at the Canon 1D X III vs Pentax 645Z in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that moment. Following is a front view physical size comparison of the 1D X III compared to the 645Z.

Taking into consideration size and weight, the portability rating of the 1D X III and 645Z is 50 and 49 respectively.

Often, it's tough to picture the difference in sensor sizing purely by researching a spec sheet. The graphic underneath might offer you a stronger sense of the sensor sizes in the 1D X III and 645Z.

As you can see, both cameras feature different megapixels and different sensor sizing. The 1D X III because of its smaller sensor is going to make shooting shallow depth of field trickier and the Pentax 645Z will result in extra detail as a result of its extra 31MP. Higher resolution will enable you to crop photographs way more aggressively. The more recent 1D X III provides a benefit when it comes to sensor technology.