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 ZS3 and Nikon P500 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS3 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). Nikon P500 has external dimensions of 116 x 84 x 10 mm (4.57 x 3.31 x 4.06″) and weighs 494 g (1.09 lb / 17.43 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS3 and Nikon P500. Panasonic ZS3 is clearly the smaller of the two cameras. Its body is 13mm narrower, 24mm shorter and 70mm thinner than Nikon P500.
Comparison image of Panasonic ZS3 and Nikon P500 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic ZS3 and Nikon P500.
Comparison image of Panasonic ZS3 and Nikon P500 Size and Weight - Back View
Now lets look at the top view comparison of Panasonic ZS3 and Nikon P500.
Top View Comparison image of Panasonic ZS3 and Nikon P500 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic ZS3 is significantly lighter (265g ) than the Nikon P500 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Panasonic Lumix DMC-ZS3 (Lumix DMC-TZ7) nor Nikon Coolpix P500 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Panasonic ZS3 and Nikon P500's LCD screens has the same diagonal size of 3".
On the other hand, Nikon P500 features a
Tilting screen where you can change the angle of the screen to make it easier to shoot from waist or over the head levels whereas the Panasonic ZS3 has a fixed type screen which provides less flexibility in shooting positions compared to P500.