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 Pentax P80 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). Pentax P80 has external dimensions of 102 x 59 x 25 mm (4.02 x 2.32 x 0.98″) and weighs 125 g (0.28 lb / 4.41 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS1 and Pentax P80. Pentax P80 is clearly the smaller of the two cameras. Its body is 1mm narrower, 1mm shorter and 8mm thinner than Panasonic ZS1.
![Panasonic ZS1 vs Pentax P80 Camera Size Comparison - Front View]()
Comparison image of Panasonic ZS1 and Pentax P80 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic ZS1 and Pentax P80.
![Panasonic ZS1 vs Pentax P80 Camera Size Comparison - Back View]()
Comparison image of Panasonic ZS1 and Pentax P80 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.
Pentax P80 is significantly lighter (104g ) 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 Pentax Optio P80 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 ZS1 and Pentax P80's LCD screens has the same diagonal size of 2.7".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.