Sony today announced the CyberShot DSC-P9, the latest addition to its ultra-compact line of P-series digital cameras. The 4-megapixel P9 offers such features as an AF Illuminator and multi-frame burst mode, although there’s no mention of any zoom. The DSC-P9 will go on sale in May for around US$600. Updated (12:45) – Sony has informed us that the P9 features a 3x optical zoom and a 2x digital zoom.