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 Pentax VS20 and Pentax RZ18 side-by-side from the front, back and top in their relative dimensions. Pentax VS20 has external dimensions of 111 x 61 x 38 mm (4.37 x 2.4 x 1.5″) and weighs 235 g (0.52 lb / 8.29 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 Pentax VS20 and the Pentax RZ18. Pentax VS20 has the same height with Pentax RZ18. On the other hand, with a width of 111mm, it is 14 wider and also with a thickness of 38mm, it is 5mm thicker than Pentax RZ18.
Comparison image of the Pentax VS20 and the Pentax RZ18 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Pentax VS20 and Pentax RZ18.
Comparison image of the Pentax VS20 and the Pentax RZ18 Size and Weight - Back View
Now lets look at the top view comparison of Pentax VS20 and Pentax RZ18.
Top View Comparison image of the Pentax VS20 and the Pentax RZ18 Size
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 (57g ) than the Pentax VS20 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the RZ18, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the VS20.
LCD Screen Size and Features
Pentax VS20 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.