The CA11265_HEIDI-M-XP is a 21.6mm round Medium Lens for use with Cree's XLAMP XP-E series of LEDs. The lens is made of optical grade PMMA (Polymethylmethacrylate) with high UV and temperature resistance (105°C/220°F). The lens foot can be potted with resin without losses in optical efficiency.
Up to 90% optical efficiency
No lens holder, Fastening to heat sink with a PU foam adhesive tape of automotive grade