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 Olympus TG-5 and Pentax RZ18 side-by-side from the front, back and top in their relative dimensions. Olympus TG-5 has external dimensions of 113 x 66 x 32 mm (4.45 x 2.6 x 1.26″) and weighs 250 g (0.55 lb / 8.82 oz) (including batteries). Pentax RZ18 has external dimensions of 97 x 61 x 33 mm (3.82 x 2.4 x 1.3″) and weighs 178 g (0.39 lb / 6.28 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus TG-5 and the Pentax RZ18. Pentax RZ18 is 16mm narrower and 5mm shorter than Olympus TG-5 but it is also 1mm thicker.
Here is the back view size comparison of the Olympus TG-5 and Pentax RZ18.
Now lets look at the top view comparison of Olympus TG-5 and Pentax RZ18.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax RZ18 is significantly lighter (72g ) than the Olympus TG-5 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Olympus TG-5 and Pentax RZ18'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.