http://www.futureelectronics.com/en/Search.aspx?dsNav=Ntk:ManufacturerPartNumberUpshiftedSearch|*F360L*|1|,Ny:True,Nea:True . The F360L series lens is specifically designed for Philips Lumileds LUXEON A, R, T, Rebel and Rebel ES LEDs. A software-optimized profile provides a 360-degree pattern with high collection efficiency reaching 85% of the total flux emitted from the LED.
http://youtu.be/ZVS6GHmwWvE