Canon SX30 IS has a
14.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor and features Digic 4 processor. On the other hand, Panasonic FZ150 has a
12.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CMOS sensor .
Below you can see the SX30 IS and FZ150 sensor size comparison.
Canon SX30 IS and Panasonic FZ150 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.