Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Panasonic ZS100 and Ricoh PX side-by-side from the front, back and top in their relative dimensions. Panasonic ZS100 has external dimensions of 111 x 65 x 44 mm (4.37 x 2.56 x 1.73″) and weighs 312 g (0.69 lb / 11.01 oz) (including batteries). Ricoh PX has external dimensions of 100 x 55 x 21 mm (3.94 x 2.17 x 0.83″) and weighs 156 g (0.34 lb / 5.50 oz) (including batteries).
Below you can see the front-view size comparison of the Panasonic ZS100 and the Ricoh PX. Ricoh PX is clearly the smaller of the two cameras. Its body is 11mm narrower, 10mm shorter and 23mm thinner than Panasonic ZS100.
Here is the back view size comparison of the Panasonic ZS100 and Ricoh PX.
Now lets look at the top view comparison of Panasonic ZS100 and Ricoh PX.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Ricoh PX is significantly lighter (156g ) than the Panasonic ZS100 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the PX, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the ZS100.
LCD Screen Size and Features
Panasonic ZS100's 3.00" LCD screen is slightly larger than Ricoh PX's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.