dear paul,
haha ,i am so glad to hear from you again so fast.len is a very nice people,he taught me a lot .
i am new here.There are lots of things to learn about the lpf,the laser,the prism ,the tool and all the new friends.if you have something in laser need to help,tell me,and i will do my best to do in China for you.And i may have lots of questions about laser to ask you , haha,hope it won't to disturb you.i just read your post and felt you were very professional. We'll be good friends.My chinese name is jinghong tian,you can call me tian for short.of course i am also kingkube.i fell that it is so cool about this name for lpf.Back to chat. best wishes