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mW & nm

flaview

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Hey back (and sorry for all people disturbing about that "I will soon do a purchase and soon price will go down that's why would know all information before purchase" )

So, first I would said thanks to everybody here I now understand about "nm" who is "frequence and wave about color"

but I still not understand about

mW between two identics laser same nm one 1 000mW another 5 000mW or more

I would know it will change powerfull and brightness or just capacity of battery without need to recharge

for exemple (sorry it's not to do add sorry if link should not be done)

5 000 000MW 450nm

500 000mw 450nm


between these two for exemple what the real difference ?
also does I need glasses everytime ? if yes what glasses should I bought?


Hope this post will not disturb I need to know more this forum he look like giant


thanks again to accept it and for your help
 
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Lifetime17

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Hi,
Really??? It would be nice to add your location

Rich:)
 

lasersbee

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Hey back (and sorry for all people disturbing about that "I will soon do a purchase and soon price will go down that's why would know all information before purchase" )

So, first I would said thanks to everybody here I now understand about "nm" who is "frequence and wave about color"

but I still not understand about

mW between two identics laser same nm one 1 000mW another 5 000mW or more

I would know it will change powerfull and brightness or just capacity of battery without need to recharge

for exemple (sorry it's not to do add sorry if link should not be done)

5 000 000MW 450nm

500 000mw 450nm


between these two for exemple what the real difference ?
also does I need glasses everytime ? if yes what glasses should I bought?


Hope this post will not disturb I need to know more this forum he look like giant


thanks again to accept it and for your help
1) Add your Global location to your Profile.

2) Working with any Laser greater than 5mW
requires Laser Safety Goggles/Glasses

3) You really need to do some reading about
Lasers on the Forum.

4) No such Laser Pointers you linked to at those
Powers.....

Jerry
 
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Encap

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1) Add your Global location to your Profile.
2) Working with any Laser greater than 5mW
requires Laser Safety Goggles/Glasses
3) You really need to do some reading about
Lasers on the Forum.
4) No such Laser Pointers you linked to at those
Powers...
5) Either you have absolutely no common sense
logic or you are a TROLL... The jury is still out.

Jerry
Ditto the above comments.

flaview: There are no 5 000 000MW 450nm or 500 000mw 450nm lasers in the real world---just on deceptive Chinese reseller web sites which misrepresent output and are trolling for $s from people who do not know any better.

Difference: 1000mW = 1W and 5000mW = 5W
5W is 5X more output power than 1W in lasers just as in anything electrical.--ex: a 1W light bulb vs a 5W light bulb
 
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Alaskan

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We have lots of new members all over the world showing up after 3D left. I agree those Chinese web sites will say any amount of power to make a dollar. 1, 5, 10, 50 watts and only $399.99!
 

flaview

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Ditto the above comments.

flaview: There are no 5 000 000MW 450nm or 500 000mw 450nm lasers in the real world---just on deceptive Chinese reseller web sites which misrepresent output and are trolling for $s from people who do not know any better.

Difference: 1000mW = 1W and 5000mW = 5W 5W is 5X more output power than 1W in lasers just as in anything electrical.--ex: a 1W light bulb vs a 5W light bulb
So many thanks. You'll help me to save so much money. I would bought one of them but I was in doubt about description. Many thanks.

Also does glasses is really important?
And does better to get focusable laser or non focus?

Sorry I'm totally noob actually would be sure before bought something. And like that when I'll know more about laser if you're ok I'll do on this forum a french section to help them (if mederator or administrators are ok)
 

Encap

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Messages
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So many thanks. You'll help me to save so much money. I would bought one of them but I was in doubt about description. Many thanks.

Also does glasses is really important?
And does better to get focusable laser or non focus?

Sorry I'm totally noob actually would be sure before bought something. And like that when I'll know more about laser if you're ok I'll do on this forum a french section to help them (if mederator or administrators are ok)
Focusable is an important feature for most people - dépend de vous,
Glass lens is essential--acrylic will melt.

Glasses are a must have---most important for safety of eye. 1W or above can easily permanently blind you in less time than human blink reflex of 0.25 seconds see: https://laserpointerforums.com/f53/hit-eye-1000mw-445nm-blue-laser-69469.html
And
https://laserpointerforums.com/f53/irreversible-vision-damage-don-t-turn-blind-eye-laser-hazards-71299.html

Le plus important: Vous devez obtenir une paire de lunettes laser de bonne qualité, pas le type bon marché de 2 $ à 10 $.
These are low cost and good protection $40 to $50 https://www.survivallaser.com/Safety_Goggles/cat556089_826120.aspx

Tableau de danger du laser http://www.laserpointersafety.com/laser-hazard-distances-chart.html
Be very careful to not become "an accident looking for a place to happen"
Ne devenez pas un accident à la recherche d'un endroit pour se produire
 
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lasersbee

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So many thanks. You'll help me to save so much money. I would bought one of them but I was in doubt about description. Many thanks.

Also does glasses is really important?
And does better to get focusable laser or non focus?

Sorry I'm totally noob actually would be sure before bought something. And like that when I'll know more about laser if you're ok I'll do on this forum a french section to help them (if mederator or administrators are ok)
YES... Laser Safety Goggles/Glasses are Important.
They should be used with Lasers greater than 5mW.

I would suggest that you start by buying a 10-50mW
Laser until you understand the dangers of Lasers...

If I did not know how to drive... My first car would
not be a 408 km/h Bugatti Veyron..

Jerry
 

Hap

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You guys do realize you basically re-answered a persons question that have been asked tons of times already, right?

-Alex
 

Alaskan

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à l'enfer? Parfois, je me demande vraiment ce qui se passe dans ce forum.
 

Hap

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à l'enfer? Parfois, je me demande vraiment ce qui se passe dans ce forum.
Je me demands aussi Alaskan. Pouqoui est ce que les gens continue a repondre a des threads avec des questions deja repondu? Ca m’enerve!

-Alex
 

Encap

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You guys do realize you basically re-answered a persons question that have been asked tons of times already, right?

-Alex
I was responding to his question of today in post #6.
He asked about focusable and glasses.

Je répondais à sa question d'aujourd'hui dans la poste # 6,
Il a demandé à propos de focusable et des lunettes

Il était si gentil de me remercier pour l'explication de 1W contre 5W je pensais répondre à nouveau. lol
 

Hap

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I was responding to his question of today in post #6.
He asked about focusable and glasses.

Je répondais à sa question d'aujourd'hui dans la poste # 6,
Il a demandé à propos de focusable et des lunettes

Il était si gentil de me remercier pour l'explication de 1W contre 5W je pensais répondre à nouveau. lol
Okay! :yh:

-Alex
 
Reactions: GSS

lasersbee

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Je me demands aussi Alaskan. Pouqoui est ce que les gens continue a repondre a des threads avec des questions deja repondu? Ca m’enerve!

-Alex
I think the solution lies in the hands of the
Mods...

If the Mods see one of these repetitive question
Threads... where it is obvious the member did
not do any reading or research on his question...
the Mods should Close the Thread and PM the
member why it was closed.

BTW... understood every word without the use
of Google translate...:D


Jerry
 
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Hap

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Messages
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I think the solution lies in the hands of the
Mods...

If the Mods see one of these repetitive question
Threads... where it is obvious the member did
not do any reading or research on his question...
the Mods should Close the Thread and PM the
member why it was closed.

BTW... understood every word without the use
of Google translate...:D


Jerry
Agreed lasersbee! My French writing isn't nearly as good as when I speak it(which honestly isn't very good anyway). I just don't use French unless im back overseas, which isn't often. I've lost most of it :(

-Alex
 




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