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 ZS100 and Leica D-Lux 7 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS100 has external dimensions of 111 x 65 x 44 mm (4.37 x 2.56 x 1.73″) and weighs 312 g (0.69 lb / 11.01 oz) (including batteries). Leica D-Lux 7 has external dimensions of 118 x 66 x 64 mm (4.65 x 2.6 x 2.52″) and weighs 403 g (0.89 lb / 14.22 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS100 and Leica D-Lux 7. Panasonic ZS100 is clearly the smaller of the two cameras. Its body is 7mm narrower, 1mm shorter and 20mm thinner than Leica D-Lux 7.
Comparison image of Panasonic ZS100 and Leica D-Lux 7 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic ZS100 and Leica D-Lux 7.
Comparison image of Panasonic ZS100 and Leica D-Lux 7 Size and Weight - Back View
Now lets look at the top view comparison of Panasonic ZS100 and Leica D-Lux 7.
Top View Comparison image of Panasonic ZS100 and Leica D-Lux 7 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic ZS100 is significantly lighter (91g ) than the Leica D-Lux 7 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Panasonic Lumix DMC-ZS100 (Lumix DMC-TZ100) nor Leica D-Lux 7 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
LCD Screen Size and Features
Panasonic ZS100 and Leica D-Lux 7's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.