Its reduced divergence and high intensity make LL3 one of the best collimators for long distance lighting.

Collimator	LED	Half angle 50%	Half angle 10%	Efficiency in candelas per lumen	Support
	Luxeon III white	2.9	5.2	50.7	no
	Luxeon III a-o-r	5.0	8.2	17.9	no
	Luxeon III b-c-g	3.1	5.0	56.8	no
	Luxeon K2 white	3.4	5.9	45.2	no
	Seoul Zpower white	4.1	6.9	30.3	no
	Seoul Zpower a-o-r	2.1	4.0	82.9	no
	Seoul Zpower b-c-g	3.0	5.7	46.1	no
	Osram Golden Dragon a-o-r	1.6	4.9	86.9	no
	Osram Golden Dragon b-c-g	2.2	7.0	52.8	no

> The LL3 collimator is supplied without a support.

	Download LL3 intensity diagrams - PDF format All the intensity diagrams have been measured by an independent optical laboratory : Laboratoire Protee/ISO.
	Download Lednlight summary table - PDF format
	Download Lednlight technical documentation - PDF format