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So a 3w wont do harm except eye damagr and burn skin ??

would it do any harm without contact by radiation mean

Im learning about basic electricity do i have to learn about AC electricity ? Will i have anything to do with it in laser hobby ? And i read somewhere about laser radiation and risk of cancer at high power lasers contacts skin :D is it true ?

merhaba :)

sent :D

ty i will :)

Hello! I have been asking tons of questions last few days but i have so many more ! I would really appreciate if someone could chat me ( max 10 mins ) in skype / etc ( voice not necessary typing is good ! :) ) like a conversation and help me with my questions ? :)

what does diode size change ? why would i use a buck , why wuld i use boost driver ?

Diode : 445nm 9mm diode Output diode : over 3000mW Output buck driver: 2.4A current Lens : G2 Power supply : 2x 26650 Li-ion rechargeable battery. Duty cycle : 5min on/ 1min off. I read this and got so little ... I am new and I atm just wanna start learning the things a laser user and buyer...

oh nvm found out :D,

what do you mean with cosmetic blemish ? :P bad english sorry i translated it it didnt make sense :D

Hello ! Im new and the only high power pro builder i know is blord , any other you know ? :)

Oh i luv thinkgeek :D

also if you would recommend a type of glasses , a battery and a charger , what would you recommend i checked all sites theyre all similar

Spyder III Expanded Lens Kit $49.95 Beam Expander $149.95 LaserSaber $99.95 LaserShades ($29.95) Your laser is: Green are these accessories of wl good ? ( i mean the shades and beam expander ) are these lasersabers lenses and beam expander compatible with other lasers ?

Crystal - Novalasers Inc. what would i want a crystal for O.o

Tbh i didnt get a word from that sentence :D . Did you mean dont buy arctic buy one of the ones i sent link of ? Im not gonna buy arctic.

Idk how lasers work and parts and diodes- I will learn . So can i contact with your builder can you please ask him/her if you can help me contact her / him ? Also , what accesories are required / good for owning a laser ?

That price is really good ! So i understand that there are many parts and many choices between them and its a very complicated thing to learn in few days . Heat sink means covering ? The body of laser ? and will it be 3w or 3.5 w because you said 3+w ? I am not sure ( Im a noob as u know ) but...

For example how much would a fine ( idk what qualities it needs to have i will learn it ) high quality 2w 445nm laser cost from builders you mentioned ?