Focuses the overall flux on a single optical fibre.

Collimator	LED	Lighted surface diameter at 50%	Lighted surface diameter at 10%	Holder
	Luxeon III blanc	2.8 mm	5.1 mm	yes
	Luxeon III a-o-r	4.4 mm	7.1 mm	yes
	Luxeon III b-c-g	2.8 mm	5.4 mm	yes
	Luxeon K2 blanc	3.1 mm	5.5 mm	yes
	Seoul Zpower blanc	3.5 mm	6.2 mm	yes
	Seoul Zpower a-o-r	2.2 mm	4.7 mm	yes
	Seoul Zpower b-c-g	3.4 mm	6.8 mm	yes
	Osram Golden Dragon a-o-r	1.7 mm	3.8 mm	yes
	Osram Golden Dragon b-c-g	2.3 mm	5.2 mm	yes

Download LLOF and LLRGB technical documentation - PDF format