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 Olympus SP-610UZ 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). Olympus SP-610UZ has external dimensions of 107 x 73 x 73 mm (4.21 x 2.87 x 2.87″) and weighs 405 g (0.89 lb / 14.29 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS7 and Olympus SP-610UZ. Panasonic ZS7 is clearly the smaller of the two cameras. Its body is 4mm narrower, 13mm shorter and 40mm thinner than Olympus SP-610UZ.
Comparison image of Panasonic ZS7 and Olympus SP-610UZ Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic ZS7 and Olympus SP-610UZ.
Comparison image of Panasonic ZS7 and Olympus SP-610UZ Size and Weight - Back View
Now lets look at the top view comparison of Panasonic ZS7 and Olympus SP-610UZ.
Top View Comparison image of Panasonic ZS7 and Olympus SP-610UZ Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic ZS7 is significantly lighter (187g ) than the Olympus SP-610UZ which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Panasonic Lumix DMC-ZS7 (Lumix DMC-TZ10) nor Olympus SP-610UZ 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 ZS7 and Olympus SP-610UZ'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.