Pentax 645Z vs Sony A6600

Below, we will be evaluating the Pentax 645Z versus Sony A6600, former being a Pro DSLR while the latter is a Advanced Mirrorless by brands Pentax and Sony. There exists a sizable gap between the resolutions of the 645Z (51MP) and A6600 (24MP) and the 645Z (Medium format) and A6600 (APS-C) possess totally different sensor sizing.

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The 645Z was introduced 6 years prior to the A6600 and that is quite a significant difference as far as technology is concerned. Both of the cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony A6600 being a Rangefinder-style mirrorless camera.

Before delving straight into a in depth comparison, below is a quick view of how the 645Z matches up vs the A6600 in terms of portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Pentax 645Z & Sony Alpha a6600. The whole galleries are available at Pentax 645Z Gallery & Sony A6600 Gallery.

If you are looking to carry your camera, you need to think about its weight and measurements. The Pentax 645Z has physical dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs) whilst the Sony A6600 has proportions of 120mm x 67mm x 69mm (4.7" x 2.6" x 2.7") accompanied by a weight of 503 grams (1.11 lbs).

Check out the Pentax 645Z versus Sony A6600 in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ based on the lens you are working with during that time. Following is the front view measurement comparison of the 645Z versus the A6600.

Using dimensions and weight, the portability grade of the 645Z and A6600 is 49 and 77 respectively.

Normally, it is difficult to visualise the contrast between sensor sizing only by checking specs. The visual underneath might give you a better sense of the sensor sizes in the 645Z and A6600.

All in all, the 2 cameras have got different megapixel count and different sensor sizing. The 645Z having a bigger sensor will make achieving shallower depth of field less difficult and the Pentax 645Z will give extra detail using its extra 27 Megapixels. Higher resolution can also make it easier to crop pictures much more aggressively. The older 645Z is going to be behind in sensor tech.