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 Olympus XZ-2 iHS 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). Olympus XZ-2 iHS has external dimensions of 113 x 65 x 48 mm (4.45 x 2.56 x 1.89″) and weighs 346 g (0.76 lb / 12.20 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS3 and Olympus XZ-2 iHS. Panasonic ZS3 is clearly the smaller of the two cameras. Its body is 10mm narrower, 5mm shorter and 15mm thinner than Olympus XZ-2 iHS.
Comparison image of Panasonic ZS3 and Olympus XZ-2 iHS Size, Weight and External Dimensions - Front View
Now lets look at the top view comparison of Panasonic ZS3 and Olympus XZ-2 iHS.
Top View Comparison image of Panasonic ZS3 and Olympus XZ-2 iHS 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 (117g ) than the Olympus XZ-2 iHS which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Panasonic Lumix DMC-ZS3 (Lumix DMC-TZ7) nor Olympus XZ-2 iHS 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 ZS3 and Olympus XZ-2 iHS's LCD screens has the same diagonal size of 3".
On the other hand, Olympus XZ-2 iHS 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 XZ-2 iHS.