Pentax K100D S weighs
646 g (1.42 lb / 22.79 oz) and has external dimensions of
129 x 91 x 71 mm (5.08 x 3.58 x 2.8″). Considering that the average weight of DSLR type cameras is 773g, Pentax K100D S is a remarkably light camera for its class. With a thickness of 71mm, it has an average thickness for its class.
Weight Comparison
DSLR Cameras
Thickness Comparison
DSLR Cameras
In order to give you a better idea about the real life size of Pentax K100D S, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Pentax K100D S size with the camera that it replaced: Pentax K100D (Check K100D Super vs K100D).
Below you can find the comparison of the weight and thickness of Pentax K100D S with its main competitors:
Pentax K100D S Size Compared to Main Competitors
Weather Sealing
Pentax K100D S 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 DSLR Cameras with Weather Sealing page.