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 Casio EX-FH100 and Olympus SP-610UZ side-by-side from the front, back and top in their relative dimensions. Casio EX-FH100 has external dimensions of 104 x 60 x 28 mm (4.09 x 2.36 x 1.1″) and weighs 201 g (0.44 lb / 7.09 oz) (including batteries). Olympus SP-610UZ has external dimensions of 107 x 73 x 73 mm (4.21 x 2.87 x 2.87″) and weighs 405 g (0.89 lb / 14.29 oz) (including batteries).
Below you can see the front-view size comparison of the Casio EX-FH100 and the Olympus SP-610UZ. Casio EX-FH100 is clearly the smaller of the two cameras. Its body is 3mm narrower, 13mm shorter and 45mm thinner than Olympus SP-610UZ.
Here is the back view size comparison of the Casio EX-FH100 and Olympus SP-610UZ.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Casio EX-FH100 is significantly lighter (204g ) than the Olympus SP-610UZ which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Casio Exilim EX-FH100 nor Olympus SP-610UZ provides any type of weather sealing in their bodies, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Casio EX-FH100 and Olympus SP-610UZ'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.