A novel freeform lens design for collimating UV light emitted from an LED with large divergent angle - ScienceDirect
TIR Collimator Lens Design | Photopia Optical Design Software
Jammas 15/45 Degree IR LED Lens Reflector Collimator 14.5mm with Black White Holder for 1W 3W 5W High Power Star LED Lamp Light - (Emitting Color: Black Holder, Wattage: 50pcs 45degree) - Amazon.com
LED Collimator Setup Tutorial | SOLIDWORKS
N-series Collimator Led lens – IODA s.r.l. – Design, development and production of optical systems, production of custom lenses for the lighting market
54mm Optical Glass Lens Collimator Plano-Convex for Led Projector & Led Lamp | eBay