Olympus E-PL1s weighs 334 g (0.74 lb / 11.78 oz) and has external dimensions of 115 x 72 x 42 mm (4.53 x 2.83 x 1.65″). Considering that the average weight of Mirrorless type cameras is 442g, Olympus E-PL1s is a remarkably light camera for its class. Even better, with a thickness of only 42mm, it is also quite small, 8mm thinner than the average of its class.
In order to give you a better idea about the real life size of Olympus E-PL1s, 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 Olympus E-PL1s with its main competitors:
Olympus E-PL1s 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 Mirrorless Cameras with Weather Sealing page.