Canon SX420 IS weighs 325 g (0.72 lb / 11.46 oz) and has external dimensions of 104 x 69 x 85 mm (4.09 x 2.72 x 3.35″). Considering that the average weight of DSLR-Like type cameras is 591g, Canon SX420 IS is a remarkably light camera for its class. Even better, with a thickness of only 85mm, it is also quite small, 19mm thinner than the average of its class.
Here is the front and top view image of Canon SX420 IS with the dimensions:
In order to give you a better idea about the real life size of Canon SX420 IS, 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 Canon SX420 IS with its main competitors:
Canon SX420 IS doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top Bridge Cameras with Weather Sealing page.