Panasonic TS2 has a
14.0MP 1/2.3-inch (6.08 x 4.56 mm ) sized CCD sensor and features Venus Engine HD II processor. On the other hand, Panasonic TS4 has a
12.0MP 1/2.3-inch (6.08 x 4.56 mm ) sized CCD sensor and features Venus Engine FHD processor.
Below you can see the TS2 and TS4 sensor size comparison.
Sensor Size and Resolution Comparison image of Panasonic TS2 and Panasonic TS4 Cameras
Panasonic TS2 and Panasonic TS4 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 Panasonic TS4 has 16% larger pixel area (2.31µm 2 vs 1.98µm 2 ) compared to Panasonic TS2, it has larger pixel area to collect light hence potential to 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
Panasonic TS2
or the
Panasonic TS4 ,
including hyperfocal distance.