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 Ricoh G900 and Pentax RZ18 side-by-side from the front, back and top in their relative dimensions. Ricoh G900 has external dimensions of 118 x 66 x 33 mm (4.65 x 2.6 x 1.3″) and weighs 247 g (0.54 lb / 8.71 oz) (including batteries). Pentax RZ18 has external dimensions of 97 x 61 x 33 mm (3.82 x 2.4 x 1.3″) and weighs 178 g (0.39 lb / 6.28 oz) (including batteries).
Below you can see the front-view size comparison of the Ricoh G900 and the Pentax RZ18. Pentax RZ18 is 21mm narrower and 5mm shorter than Ricoh G900 but they have the same thickness of 33mm.
Here is the back view size comparison of the Ricoh G900 and Pentax RZ18.
Now lets look at the top view comparison of Ricoh G900 and Pentax RZ18.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax RZ18 is significantly lighter (69g ) than the Ricoh G900 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Ricoh G900 and Pentax RZ18's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.