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 Pentax WG-1 GPS and Casio EX-100 side-by-side from the front, back and top in their relative dimensions. Pentax WG-1 GPS has external dimensions of 116 x 59 x 29 mm (4.55 x 2.3 x 1.12″) and weighs 167 g (0.37 lb / 5.89 oz) (including batteries). Casio EX-100 has external dimensions of 119x67x50 mm and weighs 389 g (including batteries).
Below you can see the front view size comparison of Pentax WG-1 GPS and Casio EX-100. Pentax WG-1 GPS is clearly the smaller of the two cameras. Its body is 3mm narrower, 8mm shorter and 21mm thinner than Casio EX-100.
Here is the back view size comparison of Pentax WG-1 GPS and Casio EX-100.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Pentax WG-1 GPS is significantly lighter (222g ) than the Casio EX-100 which may become a big advantage especially on long walking trips.
LCD Screen Size and Features
Casio EX-100's 3.5" LCD screen is slightly larger than Pentax WG-1 GPS's 2.7" screen.
In addition to the size advantage, Casio EX-100 LCD screen also has a Tilting feature
where you can change the angle of the screen to make it easier to shoot from waist or over the head levels. On the other hand, Pentax WG-1 GPS has a fixed type screen which provides less flexibility in shooting positions compared to EX-100.