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 Panasonic TS3 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). Panasonic TS3 has external dimensions of 103 x 64 x 27 mm (4.06 x 2.52 x 1.06″) and weighs 197 g (0.43 lb / 6.95 oz) (including batteries).
Below you can see the front-view size comparison of the Pentax VS20 and the Panasonic TS3. Panasonic TS3 is 8mm narrower and 11mm thinner than Pentax VS20 but it is also 3mm taller.
Here is the back view size comparison of the Pentax VS20 and Panasonic TS3.
Now lets look at the top view comparison of Pentax VS20 and Panasonic TS3.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Panasonic TS3 is significantly lighter (38g ) 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 TS3, 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's 3.00" LCD screen is slightly larger than Panasonic TS3's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.