Pentax 645Z weighs 1550 g (3.42 lb / 54.67 oz) and has external dimensions of 156 x 117 x 123 mm (6.14 x 4.61 x 4.84″). Considering that the average weight of DSLR type cameras is 774g, Pentax 645Z is a significantly heavy camera for its class. With a thickness of 123mm, it is not small either, 46mm thicker than the average of its class.
Here is the front and top view image of Pentax 645Z with the dimensions:
In order to give you a better idea about the real life size of Pentax 645Z, we have added an image of how it looks next to a credit card and an AA type battery.
Now lets compare the weight and thickness of Pentax 645Z with its main competitors:
Pentax 645Z has environmental sealings on its body which makes it a weather resistant camera, providing resistance against the water and dust getting in to the camera. If you like outdoors photography and want to be able to use your camera in extreme conditions, Pentax 645Z will serve you well. If you attach one of these Pentax 645Z weather Sealed lenses to your camera, you will have a great all weather kit.