Howdy Simon!
You should replace your cheap 405nm pen with this nice CNI pen
CNI Blue Violet Laser Pointer SiXty Five Millliwatts - eBay (item 380227207472 end time May-23-10 04:25:57 PDT)
greetz,
DJNY
You should replace your cheap 405nm pen with this nice CNI pen
CNI Blue Violet Laser Pointer SiXty Five Millliwatts - eBay (item 380227207472 end time May-23-10 04:25:57 PDT)
greetz,
DJNY