- Joined
- Jun 12, 2010
- Messages
- 892
- Points
- 0
Two finds from the Dark Chest of Wonders that is eBay.
AR coated acrylic (or is it glass) lenses for 600nm-700nm red. For that price, the very least they could do is stop back-reflections.
660nm/405nm PMMA Collimating Lens/M9 P0.5 Frame 2pcs - eBay (item 260555219850 end time Sep-16-10 01:13:32 PDT)
Also- broadband coated glass lenses. Supposedly coated for 400-600nm.
Laser Coated Glass Collimating Lens/M9P0.5 Metal Frame - eBay (item 260555221678 end time Sep-16-10 01:19:48 PDT)
Even a minor performance increase is worth it, at these dirt cheap prices.
AR coated acrylic (or is it glass) lenses for 600nm-700nm red. For that price, the very least they could do is stop back-reflections.
660nm/405nm PMMA Collimating Lens/M9 P0.5 Frame 2pcs - eBay (item 260555219850 end time Sep-16-10 01:13:32 PDT)
Also- broadband coated glass lenses. Supposedly coated for 400-600nm.
Laser Coated Glass Collimating Lens/M9P0.5 Metal Frame - eBay (item 260555221678 end time Sep-16-10 01:19:48 PDT)
Even a minor performance increase is worth it, at these dirt cheap prices.