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 TG-310 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 TG-310 has external dimensions of 96 x 63 x 23 mm (3.78 x 2.48 x 0.91″) and weighs 155 g (0.34 lb / 5.47 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS7 and Olympus TG-310. Olympus TG-310 is 7mm narrower and 10mm thinner than Panasonic ZS7 but it is also 3mm taller.
Now lets look at the top view comparison of Panasonic ZS7 and Olympus TG-310.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus TG-310 is significantly lighter (63g ) than the Panasonic ZS7 which may become a big advantage especially on long walking trips.
LCD Screen Size and Features
Panasonic ZS7's 3" LCD screen is slightly larger than Olympus TG-310's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.