Welcome to the LPF, Imotox. There are many nice and knowledgeable people here who’ll be happy to listen and to help you whenever possible. Please edit your welcome message to include your geographic location so that you can receive the modt accurate information. You should also use the Search button on each page for access to our extensive database for information about all things laser. Our chief concern is about safety, so please remember to always protect yourself and others. Be sure to use proper vision protection and never point a laser at any living thing. Lasers are wonderful and interesting, but please always remember to be laser safe. Take Care.