Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Olympus E-PL1s and Olympus E-PL1 side-by-side from the front, back and top in their relative dimensions. Olympus E-PL1s has external dimensions of 115 x 72 x 42 mm (4.53 x 2.83 x 1.65″) and weighs 334 g (0.74 lb / 11.78 oz) (including batteries). Olympus E-PL1 has external dimensions of 115 x 72 x 42 mm (4.53 x 2.83 x 1.65″) and weighs 334 g (0.74 lb / 11.78 oz) (including batteries).
Below you can see the front view size comparison of Olympus E-PL1s and Olympus E-PL1. In this case, we can see that Olympus E-PL1s and Olympus E-PL1 have the exact same height, width and thickness.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus E-PL1s and Olympus E-PL1 have exactly the same weight of 334g.
Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you have to also take into account the lenses that you will be using with these bodies. Since both Olympus E-PL1s and Olympus E-PL1 have the same Micro Four Thirds lens mount and Four Thirds sized sensors, lenses will not be a differentiator on total size of the system.
Unfortunately neither Olympus PEN E-PL1s nor Olympus PEN E-PL1 provides any type of weather sealing in their body, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Mirrorless Cameras with Weather Sealing
LCD Screen Size and Features
Olympus E-PL1s and Olympus E-PL1's LCD screens has the same diagonal size of 2.7".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.