T6 Wide Angle Lens for MagicShine, Gemini, Lupine Bike Light.
USD3.40 (FREE shipping) 1 DAY DEAL (23hr left).
I have this for my bike light, but I really do not like the horrible "splotchy" flood around the nice little wide angle hotspot beam it produces. Makes the whole light feel dirty. Thats a good price, but you can also get on ebay for about $4.00-$4.50 with best offer, and have it in a few days.
Would I buy this again though? No. Wish I could find a 28mm OP reflector instead thats in stock, to flood the light instead of the SMO in there now.
Anyways good deal I guess if you are looking for one and don't mind the 2-4 week wait from China