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 Pentax W90 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). Pentax W90 has external dimensions of 108 x 59 x 25 mm (4.25 x 2.32 x 0.98″) and weighs 164 g (0.36 lb / 5.78 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS3 and Pentax W90. Pentax W90 is 1mm shorter and 8mm thinner than Panasonic ZS3 but it is also 5mm wider.
![Panasonic ZS3 vs Pentax W90 Camera Size Comparison - Front View]()
Comparison image of Panasonic ZS3 and Pentax W90 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic ZS3 and Pentax W90.
![Panasonic ZS3 vs Pentax W90 Camera Size Comparison - Back View]()
Comparison image of Panasonic ZS3 and Pentax W90 Size and Weight - Back View
Now lets look at the top view comparison of Panasonic ZS3 and Pentax W90.
![Panasonic ZS3 vs Pentax W90 Camera Size Comparison - Top View]()
Top View Comparison image of Panasonic ZS3 and Pentax W90 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Pentax W90 is significantly lighter (65g ) than the Panasonic ZS3 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Panasonic ZS3's 3" LCD screen is slightly larger than Pentax W90's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.