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 ZS1 and Casio EX-Z450 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS1 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). Casio EX-Z450 has external dimensions of 81 x 56 x 21 mm (3.19 x 2.2 x 0.83″) and weighs 128 g (0.28 lb / 4.52 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS1 and Casio EX-Z450. Casio EX-Z450 is clearly the smaller of the two cameras. Its body is 22mm narrower, 4mm shorter and 12mm thinner than Panasonic ZS1.
![Panasonic ZS1 vs Casio EX-Z450 Camera Size Comparison - Front View]()
Comparison image of Panasonic ZS1 and Casio EX-Z450 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic ZS1 and Casio EX-Z450.
![Panasonic ZS1 vs Casio EX-Z450 Camera Size Comparison - Back View]()
Comparison image of Panasonic ZS1 and Casio EX-Z450 Size and Weight - Back View
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Casio EX-Z450 is significantly lighter (101g ) than the Panasonic ZS1 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Panasonic Lumix DMC-ZS1 (Lumix DMC-TZ6) nor Casio Exilim EX-Z450 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
Casio EX-Z450's 3" LCD screen is slightly larger than Panasonic ZS1's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.