"Our new DSC-TX55 model redefines what a compact camera can do, " said Yosuke Tomoda, director of Sony Electronics' Cyber-shot business.

ENGADGET: Sony Cyber-shot TX55 packs 16.2-megapixel sensor, promises 'extremely low' noise in dim light

"The new Cyber-shot RX1 is truly 'one of a kind', offering a unique combination of size and performance that's never before been realized in the world of digital cameras, " said Yosuke Tomoda, director of the Cyber-shot camera business at Sony Electronics.

ENGADGET: Sony's Cyber-shot RX1 compact camera packs a full-frame sensor, 'fits in your palm' (hands-on)