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 WG-3 and Canon D20 side-by-side from the front, back and top in their relative dimensions. Pentax WG-3 has external dimensions of 124 x 64 x 33 mm (4.9 x 2.5 x 1.3″) and weighs 230 g (0.51 lb / 8.11 oz) (including batteries). Canon D20 has external dimensions of 112 x 71 x 28 mm (4.41 x 2.8 x 1.1″) and weighs 228 g (0.50 lb / 8.04 oz) (including batteries).
Below you can see the front-view size comparison of the Pentax WG-3 and the Canon D20. Canon D20 is 12mm narrower and 5mm thinner than Pentax WG-3 but it is also 7mm taller.
Here is the back view size comparison of the Pentax WG-3 and Canon D20.
Now lets look at the top view comparison of Pentax WG-3 and Canon D20.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon D20 is 2g lighter than the Pentax WG-3 but we don't think this will make a significant difference.
Weather Sealing
LCD Screen Size and Features
Pentax WG-3 and Canon D20'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.