Pentax 645Z vs Sony H20

Let's take a closer look at the Pentax 645Z versus Sony H20, former is a Pro DSLR while the latter is a Small Sensor Compact by manufacturers Pentax and Sony. There is a considerable difference among the image resolutions of the 645Z (51MP) and H20 (10MP) and the 645Z (Medium format) and H20 (1/2.3") posses different sensor size.

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The 645Z was revealed 4 years after the H20 which is a fairly large difference as far as camera tech is concerned. Each of these cameras feature different body design with the Pentax 645Z being a Large SLR camera and the Sony H20 being a Compact camera.

Before going straight to a comprehensive comparison, here is a quick summary of how the 645Z matches up versus the H20 in relation to portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Pentax 645Z & Sony Cyber-shot DSC-H20. The full galleries are viewable at Pentax 645Z Gallery & Sony H20 Gallery.

When you are going to carry around your camera frequently, you will have to take into account its weight and proportions. The Pentax 645Z features physical measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs) while the Sony H20 has measurements of 107mm x 69mm x 47mm (4.2" x 2.7" x 1.9") along with a weight of 250 grams (0.55 lbs).

Take a look at the Pentax 645Z versus Sony H20 in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you have during that time. Following is a front view scale comparison of the 645Z versus the H20.

Considering size and weight, the portability rating of the 645Z and H20 is 49 and 87 respectively.

Oftentimes, it is hard to imagine the difference in sensor sizes just by viewing specifications. The pic below should provide you a far better sense of the sensor sizing in the 645Z and H20.

To sum up, both of the cameras feature different resolutions and different sensor sizes. The 645Z having a bigger sensor is going to make getting bokeh less difficult and the Pentax 645Z will result in more detail because of its extra 41MP. Higher resolution will also let you crop shots way more aggressively. The more modern 645Z should have an advantage in sensor innovation.