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Bro how the lenspen doing?

Bro do let me know if your lens pen solve the problem. Thanks

Me too. I notice that the dot splash is around the dot but there is a halo around the splash? WTF?

Not a halo. It is not a circle but a galaxy effect around the dot. Like there is dust particles in the lens but I have cleaned it and there should not be any dust particles

Nono! There is still a splash. But it's not as bad as the picture before cleaning. I don't seem to be able to clean it off. The galaxy effect splash is still around the dot. Just that you won't be able to see it if I take a picture because the dot it too bright

Pardon me for being noob. What is reflections from the cavity? Mind explaining? I cleaned it with alcohol but im not sure if it cause the splash. After I used alcohol and q tip, I used another q tip to with it again. Btw I didn't open up. I just put the q tip through the aperture. I think what...

I've done using air pump and q tips with alcohol and the 'X' is gone. The dot seems to be brighter. But I still see a bit, just a bit of galaxy haze around the dot. I cleaned the lens afew times and it is still there. I dont know why it is not gone yet. Mine is the cni laser pen

Thank you and everyothers on this thread for your help!

I don't know if my lens is dirty, the beam is straight but there is a 'X' at the dot I had used the search the forums. But non of them had experienced mine. So guys any comments? And how to clean it?

You guys are right! This seller is full of bullshit and wasted my time. His user name here is Madevilghost. People who read this thread please do not be in any form of transaction with him. I noticed he had also bullshit another guy from this forum 1 year ago. You may dig out that thread by...

Ok it's unlikely that I will buy it. But what do I need to build a laser I know I will need a diode,host,driver,heat sink,rechargeable batteries and some lenses? Do correct me if I need more than these! Can you do me a favour by helping me to calculate how much is the cost to build a laser? Do...

True. But I'm just going to take a look at the laser there is a high chance that I wouldnt buy it. I will just want to look it first. As I it illegal in my country I had not used such high power ones before.

But the DIY kit does not come with warranty and I am very very new to soldering. Wondering if I'm able to do it...

For him: He said the duty cycle is around 1min on and 30secs off. To protect the diode. He said he confirmed the output with the diode seller. He said he could not tell me anything about the driver,heatsink etc(because it's easy to track back to him?) but the diode is soldered. He said he sold 3...

Is there a lot of soldering to do? Im quite bad at soldering...

The seller is selling it at SGD$250 and he is the builder. But of course I would like to buy from some reputable source but lasers stronger than 5mw is illegal. So I can't import, I can only get it from people who brought parts and do it themselves. It is a focusable laser. I will have to check...

Hi im new to lasers and this forum. Just a few question to ask. Im buying a blue laser tomorrow, it is a 1200mw blue laser. The seller said that is it around 437nm-457nm. It is a custom made laser and i would be meeting him tomorrow. I do not own any lasers yet. So just to ask if there is any...