Click Go and Buy via Rakuten offers the Sony Attachable 18-Megapixel Lens-Style Camera for Smartphones, model no. DSC-QX10/B, for $197 with free shipping. That's $8 below last week's mention and the lowest total price we could find by $13. It attaches to your iPhone or Android smartphone and turns it into a digital camera with a Sony G Lens, 10x optical zoom, WiFi, optical image stabilization, a Memory Stick Micro / microSD / microSDHC card slot, face detection, microphone, and USB.
A close price: Best Stop Deals via eBay offers this lens for $197.77 with free shipping.