This is the Kogeto Dot Panoramic iPhone 4 Camera Lens, it’s simple to install and will capture a 360 surround view without even trying, it’s great for creating a cool video or just to capture an entire scene from the city that you happen to be visiting at the time!
These are the details and features for the Kogeto compact and durable Dot lens;
Kogeto’s compact and durable iCONIC lens works with the iPhone 4 / 4S HD video camera to capture full 360° video — all at once — without stitching frames together. Our unique catadioptric optical system is fully AR-coated for excellent colour fidelity in all environments. Dot is a lightweight attachment that does not require batteries or external power. Dot comes with a microfiber pouch that doubles as a lens cloth.
Priced at $80 in the US and £51 in the UK
Source [Incredible Things]