Hi Folks
Two blue 445nm custom made modules , by simon :-) a few years ago ,
power output 1.5-1.8 watts , good tight diveregnce
Still working perfectly , you can see original build discussion here with
some internal photographs
http://www.photonlexicon.com/forums/...a-bit-of-metal
£100 each or £180 for both , delivery included , UK or Worldwide