Pentax RZ18 weighs 178 g (0.39 lb / 6.28 oz) and has external dimensions of 97 x 61 x 33 mm (3.82 x 2.4 x 1.3″). Considering that the average weight of Compact type cameras is 188g, its weight is about average in its class. With a thickness of 33mm, it also has an average thickness.
Here is the front and top view image of Pentax RZ18 with the dimensions:
In order to give you a better idea about the real life size of Pentax RZ18, 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 RZ18 with its main competitors:
Pentax RZ18 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 RZ18 will serve you well.