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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 ?

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...

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 ?

Sorry , from now on I will ! :) Also I want to buy a blue laser that can be seen easily and brightly in daylight . What power should it be and what laser which company do you recommend . Although i know there arent any 'beautiful' laser cases except WL and it oesnt really matter but is there a...

so the nm just differs colour and visibility and mw differs visibility and burning power . so 1.5 w 445 is safer . Is 445 al lil bit dim in daytime or normal ? because green is very shiny in day time too

and also if yellow and red are both barely visible and expensive why would anyone buy whats special about em ?