The Sony Cyber-shot DSC-QX10 ($249.99 direct) is one of two lens-style cameras that the company is marketing for use as add-on lenses for Android and iOS phones. There's no LCD; instead, the 18-megapixel QX10 sends a Live View feed to your phone's screen via Wi-Fi.
Sharp lens; 10x zoom range; Compact; On-camera shutter and zoom controls; Wi-Fi with NFC; iOS and Android compatibility
Image noise at moderate ISO settings; Live view feed can lag; Shutter lag when triggering from phone; Takes time to mount to phone; Slow startup compared to a standalone camera; No support for Windows Phone