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 Panasonic ZS3 and Ricoh WG-20 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS3 has external dimensions of 103 x 60 x 33 mm (4.06 x 2.36 x 1.3″) and weighs 229 g (0.50 lb / 8.08 oz) (including batteries). Ricoh WG-20 has external dimensions of 114 x 58 x 28 mm (4.49 x 2.28 x 1.1″) and weighs 164 g (0.36 lb / 5.78 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS3 and Ricoh WG-20. Ricoh WG-20 is 2mm shorter and 5mm thinner than Panasonic ZS3 but it is also 11mm wider.
Here is the back view size comparison of Panasonic ZS3 and Ricoh WG-20.
Now lets look at the top view comparison of Panasonic ZS3 and Ricoh WG-20.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Ricoh WG-20 is significantly lighter (65g ) than the Panasonic ZS3 which may become a big advantage especially on long walking trips.
LCD Screen Size and Features
Panasonic ZS3's 3" LCD screen is slightly larger than Ricoh WG-20's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.