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-830 iHS and Panasonic ZS40 side-by-side from the front, back and top in their relative dimensions. Olympus TG-830 iHS has external dimensions of 109 x 67 x 28 mm (4.29 x 2.64 x 1.1″) and weighs 214 g (0.47 lb / 7.55 oz) (including batteries). Panasonic ZS40 has external dimensions of 111 x 64 x 34 mm (4.37 x 2.52 x 1.34″) and weighs 240 g (0.53 lb / 8.47 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus TG-830 iHS and the Panasonic ZS40. Olympus TG-830 iHS is 2mm narrower and 6mm thinner than Panasonic ZS40 but it is also 3mm taller.
Here is the back view size comparison of the Olympus TG-830 iHS and Panasonic ZS40.
Now lets look at the top view comparison of Olympus TG-830 iHS and Panasonic ZS40.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Olympus TG-830 iHS is 26g lighter than the Panasonic ZS40 but we don't think this will make a significant difference.
Weather Sealing
Thanks to the weather-sealed body of the TG-830 iHS, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the ZS40.
LCD Screen Size and Features
Olympus TG-830 iHS and Panasonic ZS40'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.