i had been using a couple different low power UV flashlights lights to cure NOA and have found that it takes all night to get a partial cure. I made a light using the LZ1 emitter linked above and it cures in seconds. Much better.
this is a good thread if your going to make one: making a small UV-zoomie with the new Ledengin LZ1 360-370nm led
im just building a second one using these components:
http://www.fasttech.com/product/1277401-convoy-s2-diy-edc-led-flashlight-host
https://www.fasttech.com/products/1612/10001683/1122400
http://ca.mouser.com/new/ledengin/led-engin-lz1-365nm-emitters/