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 ZS7 and Pentax WG-3 GPS side-by-side from the front, back and top in their relative dimensions. Panasonic ZS7 has external dimensions of 103 x 60 x 33 mm (4.06 x 2.36 x 1.3″) and weighs 218 g (0.48 lb / 7.69 oz) (including batteries). Pentax WG-3 GPS has external dimensions of 125 x 64 x 33 mm (4.9 x 2.5 x 1.3″) and weighs 238 g (0.52 lb / 8.40 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS7 and Pentax WG-3 GPS.
Here is the back view size comparison of Panasonic ZS7 and Pentax WG-3 GPS.
Now lets look at the top view comparison of Panasonic ZS7 and Pentax WG-3 GPS.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic ZS7 is 20g lighter than the Pentax WG-3 GPS but we don't think this will make a significant difference.
LCD Screen Size and Features
Panasonic ZS7 and Pentax WG-3 GPS's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.