Pentax 645Z vs Sony H70

Here is a thorough review of the Pentax 645Z and Sony H70, former being a Pro DSLR while the latter is a Small Sensor Compact by companies Pentax and Sony. There is a considerable difference between the resolutions of the 645Z (51MP) and H70 (16MP) and the 645Z (Medium format) and H70 (1/2.3") enjoy totally different sensor size.

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The 645Z was revealed 3 years later than the H70 and that is quite a large difference as far as tech is concerned. Each of these cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Sony H70 being a Compact camera.

Before getting straight into a detailed comparison, below is a short summation of how the 645Z scores vs the H70 with regards to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Pentax 645Z & Sony Cyber-shot DSC-H70. The full galleries are provided at Pentax 645Z Gallery & Sony H70 Gallery.

For anybody who is aiming to carry your camera frequently, you'll need to factor in its weight and proportions. The Pentax 645Z offers outside 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) and the Sony H70 has measurements of 102mm x 58mm x 29mm (4.0" x 2.3" x 1.1") along with a weight of 194 grams (0.43 lbs).

Contrast the Pentax 645Z and Sony H70 in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ dependant on the lens you are working with at that time. Following is the front view physical size comparison of the 645Z versus the H70.

Considering size and weight, the portability rating of the 645Z and H70 is 49 and 93 respectively.

Oftentimes, it is difficult to envision the contrast between sensor sizing simply by checking specs. The visual below may offer you a better sense of the sensor measurements in the 645Z and H70.

As you can plainly see, the two cameras offer different megapixel count and different sensor sizing. The 645Z having a bigger sensor will make achieving shallower depth of field simpler and the Pentax 645Z will give you greater detail because of its extra 35 Megapixels. Higher resolution will allow you to crop pictures a little more aggressively. The more modern 645Z is going to have a benefit in sensor technology.