Panasonic SZ8 has a
16.0MP 1/2.3-inch (6.08 x 4.56 mm ) sized CCD sensor and features Venus Engine processor. On the other hand, Panasonic ZS8 has a
14.0MP 1/2.3-inch (6.08 x 4.56 mm ) sized CCD sensor and features Venus Engine FHD processor.
Below you can see the SZ8 and ZS8 sensor size comparison.
Sensor Size and Resolution Comparison image of Panasonic SZ8 and Panasonic ZS8 Cameras
Panasonic SZ8 and Panasonic ZS8 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.
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
Panasonic SZ8
or the
Panasonic ZS8 ,
including hyperfocal distance.