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im in search for a 445 blue laser pointer pen that i can buy for 20-30 US dollars, any suggestions?

i want to construct something to shine my laser into and it makes a vortex

im always in search of new things to shine lasers at to make cool looking effects, i was wondering if anyone knew of anything, or a link to a website

i thought 5mw was a small power output, meaning the laser wouldnt be as bright, but the laser i am looking at has a 6000ft range and it says it is only 5mw, would that even show a stream to the stars at night?

so if i was looking for a good durable blue laser, probably 445m, would a 50 mw be ample? im looking to make a black room bright blue with a single click

i see, and for each nm, there are different brightnesses? like 405 violet diode laser 10mw, vs 405 violet diode laser 50mw

i know nm is the wavelength which determines the color our eyes interpret, but is mw the amount of power that goes towards the laser module? so in other words the higher the mw the brighter the laser?

im new to the site, i don't know where that is haha sorry

im looking for lasers and i wanted a red laser pointer with a bright dot, and im in the 20-30$ price range, i need a strong wavelength for this window of money. thanks!

so i have looked up wavelengths, What is the strongest wavelength of red you can buy for 20-30 $, and also for blue, the strongest for around 20-30$.

what do the numbers mean? im new to lasers and i would like to learn more about them. green >(532) ? purple >(405) ? those

i don't need really expensive ones, i just want them powerful enough to see the entire stream at night, i think 150mw is good for that. if not, i need a recommendation or something, or if they came package deal that sells these, that would also be good.