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 Nikon L31 and Panasonic FS15 side-by-side from the front, back and top in their relative dimensions. Nikon L31 has external dimensions of 96 x 59 x 29 mm (3.78 x 2.32 x 1.14″) and weighs 160 g (0.35 lb / 5.64 oz) (including batteries). Panasonic FS15 has external dimensions of 97 x 54 x 22 mm (3.82 x 2.13 x 0.87″) and weighs 136 g (0.30 lb / 4.80 oz) (including batteries).
Below you can see the front-view size comparison of the Nikon L31 and the Panasonic FS15. Panasonic FS15 is 5mm shorter and 7mm thinner than Nikon L31 but it is also 1mm wider.
Comparison image of the Nikon L31 and the Panasonic FS15 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Nikon L31 and Panasonic FS15.
Comparison image of the Nikon L31 and the Panasonic FS15 Size and Weight - Back View
Now lets look at the top view comparison of Nikon L31 and Panasonic FS15.
Top View Comparison image of the Nikon L31 and the the Panasonic FS15 Size
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Panasonic FS15 is significantly lighter (24g ) than the Nikon L31 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Nikon Coolpix L31 nor Panasonic Lumix DMC-FS15 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
Nikon L31 and Panasonic FS15's LCD screens have the same diagonal size of 2.70 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.