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Hello, I just got my 200mw red laser today and it was working fine at first and it just suddenly went dim. I did follow a duty cycle and I really don't know why it just went dim but I did switch out the batteries with a different mAh (2400 mAh then a 3000 mAh) and they were both 3.7v batteries...

Hey, I'm sorry for posting a new thread. I used the search button and couldn't find an answer to my question. Anyways, I have a focusable 50mw green laser without an infrared filter and wondering if it's safe to burn items with it. I do have 532nm goggle protection but will the infrared be a...

If you have done the beeptest in highschool or where ever, what was your score? I'm just curios, because I do this once every second day now.

I was watching laser videos on Youtube and I came across a video with a a laser distributor beaming windows in buildings with a high powered green and blue laser. I don't want to reveal the distributor, because he replied to my comment saying he'll be more careful next time. Ps. I hope you can...

Since laser beams are to travel infinitely across the universe until the light is absorbed by matter, let's just say that I take a laser pointer, turn it on, point it at the night sky and flail it across in my wrist hitting saturn from the earth which is about 1.2 billion kilometres away (close...

Okay so I would like to buy a 1.2W blue laser from Lazerer.com and any lasers above class 3a is illegal in Canada but some still manage to go through customs. Anyways, if this 1.2W laser gets confiscated by the customs, what's the worst punishment? My dad kept asking me if it's worth the risk...

How likely will I get my 1W spartan 445 laser from dragonlasers? I heard about lasers class 3b or above are illegal in Canada but still some go through the customs. I will be buying the laser over summer.

Hello everyone. I recently got a new 405 purple laser laser and have a few questions and I can see the beam!:D -The online specifications of my laser says that it's 405+10nm. How does that work by having 405nm and then another 10nm? It also says that on the warning sticker. -How can I make so...

Is it safe to stare at a 200mw 405nm laser dot above 10 feet without safety goggles? I won't be burning stuff with it and also, will an unfiltered IR from green lasers show up in night vision goggles? -One last thing, what are the side effects of eye damage from IR. Just curious.

(The bulkier laser above the silver tipped one) I recently ordered this laser from a Chinese website, and I was just wondering if any of you have used it and how long they last. I was reading a few reviews from this forum about similar Chinese lasers like the toplaser 302 and I heard that the...

Why is it that green or yellow lasers can't be just a single laser diode like normal red lasers or blueray. :cryyy:

Hello I'm new to this forum and lasers in general and I bought a $27 200mw blue/ royal purple laser with focusing lens. Will I get eye damage from pointing the laser at an open field and looking at the dot? Since it's a focusable laser, I assume it might not have an IR filter and i'm just...