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 Panasonic ZS3 and FujiFilm HS10 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS3 has external dimensions of 103 x 60 x 33 mm (4.06 x 2.36 x 1.3″) and weighs 229 g (0.50 lb / 8.08 oz) (including batteries). FujiFilm HS10 has external dimensions of 131 x 91 x 126 mm (5.16 x 3.58 x 4.96″) and weighs 666 g (1.47 lb / 23.49 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS3 and FujiFilm HS10. Panasonic ZS3 is clearly the smaller of the two cameras. Its body is 28mm narrower, 31mm shorter and 93mm thinner than FujiFilm HS10.
Here is the back view size comparison of Panasonic ZS3 and FujiFilm HS10.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic ZS3 is significantly lighter (437g ) than the FujiFilm HS10 which may become a big advantage especially on long walking trips.
Unfortunately neither Panasonic Lumix DMC-ZS3 (Lumix DMC-TZ7) nor FujiFilm FinePix HS10 (FinePix HS11) provides any type of weather sealing in their body, 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Panasonic ZS3 and FujiFilm HS10's LCD screens has the same diagonal size of 3".
On the other hand, FujiFilm HS10 features a Tilting screen
where you can change the angle of the screen to make it easier to shoot from waist or over the head levels whereas the Panasonic ZS3 has a fixed type screen which provides less flexibility in shooting positions compared to HS10.