Samsung WB210 has a
14.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor . On the other hand, Panasonic ZS30 has a
18.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CMOS sensor .
Below you can see the WB210 and ZS30 sensor size comparison.
Sensor Size and Resolution Comparison image of Samsung WB210 and Panasonic ZS30 Cameras
Samsung WB210 and Panasonic ZS30 have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture. On the other hand, since Samsung WB210 has 28% larger pixel area compared to Panasonic ZS30, it has potential to collect more light on pixel level hence have less noise in low light / High ISO images.
Sensor size sets the circle of confusion, so it drives how much depth of field each
of these bodies gives you at a given aperture. You can calculate it exactly for the
Samsung WB210
or the
Panasonic ZS30 ,
including hyperfocal distance.