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 ZS7 and Pentax RZ18 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS7 has external dimensions of 103 x 60 x 33 mm (4.06 x 2.36 x 1.3″) and weighs 218 g (0.48 lb / 7.69 oz) (including batteries). Pentax RZ18 has external dimensions of 97 x 61 x 33 mm (3.82 x 2.4 x 1.3″) and weighs 178 g (0.39 lb / 6.28 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS7 and Pentax RZ18.
![Panasonic ZS7 vs Pentax RZ18 Camera Size Comparison - Front View]()
Comparison image of Panasonic ZS7 and Pentax RZ18 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic ZS7 and Pentax RZ18.
![Panasonic ZS7 vs Pentax RZ18 Camera Size Comparison - Back View]()
Comparison image of Panasonic ZS7 and Pentax RZ18 Size and Weight - Back View
Now lets look at the top view comparison of Panasonic ZS7 and Pentax RZ18.
![Panasonic ZS7 vs Pentax RZ18 Camera Size Comparison - Top View]()
Top View Comparison image of Panasonic ZS7 and Pentax RZ18 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Pentax RZ18 is significantly lighter (40g ) than the Panasonic ZS7 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather sealed body of RZ18, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to ZS7.
LCD Screen Size and Features
Panasonic ZS7 and Pentax RZ18'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.