Class 4 Burning Blue Laser Pointer 20000mw 445nm Review

In today's review, I will review what I believe to be one of the cheapest and cost friendly blue laser pointers on the market. So many of you laser enthusiasts know that, you won't usually find a blue 445 or 450 nanometer laser pointer for less than 40 or 50 dollars. This one was only $20 and it comes from an eBay seller named laser lands. They are located in China, so the shipping time will take a bit longer. That's the cheapest price I found for a blue laser pointer at $20 dollars. It is a true blue and not a 405 nanometers purple UV color.

I also have to admit this is my second one. The first one they sent me was a dud. The diode was all screwed up and it barely worked. I contacted them and they sent mea new one free of charge. They actually sent the second one even quicker than the first one. I did like dealing with this seller and I was happy with the response I got from them.

This laser is not focusable, and it is not a burning laser pointer. This is simply just a blue 445 to 450 nanometer laser. It would be great for anybody who has a collection and just looking to add a blue laser to their collection for a cheap price.

It does come with a little box but it isn't really the best quality. It is like a card board light material and even as I'm pulling off the tape that it was shipped with, some of that black material are been pulled off as well. So this box definitely isn't high quality. But as long as it serves its purpose, I wasn't really looking for anything crazy for twenty dollars.

Now you have the little instruction manual in there too. It basically just has some general information about the wavelength of the power.

I forgot to mention this in the beginning of the review. This is a five-mile laser and you will notice that it's in the same host as those three laser pointers. I did a review on the green red and purple one, and this is a pretty common host for the cheapest lasers on the market. I'm not really surprised that the cheapest blue laser out there is in this hole. It's definitely not the most durable host at all but it's definitely not going to withstand a lot of fall or a lot of drops. So I would be very careful with this one because I've dealt with this host before and I know it can be kind of temperamental. You would never want to drop it.

Now let's take a look at the inside of the box. I've had this box before too, and they ship out this box with a lot of these cheap five milliwatt lasers. It's low quality and that foam in there is like fake too. It's not really good quality, but it does house the laser and the batteries. It keeps them all safe from dust and stuff like that.

I guess the laser itself is metal, most likely aluminum or something cheap. It is pretty lightweight, and I do wish it had a little more weight to it.

As most of you probably guessed, this one does run on triple A's, just like a lot of the cheap five milliwatt. You probably could use some rechargeable triple-A batteries, but for the best results I would probably just stick with basic triple-A batteries. You load in two triple A's with the positive end on the bottom of both batteries. The flat negative side should be the part that you're able to see when you load in the batteries. You then screw back together, and your laser should begin to function.

It is one of the lasers where you have to hold down the button, while you're using the laser. You can't just press it once to switch on, and once to switch off. I don't really like this which I know I say a lot of my reviews. I really prefer the lasers where you can just press the switch button once to on and off. I really can't complain too much since this is a really cheap laser,

Now as for the laser dot itself, it does have a little bit of light spread. It's not just a perfectly focused dot as the dot itself does have a rectangular shape.

This is because a lot of these blue laser diodes produce such shape. So this definitely is a true blue. It's not one of those ones where they say it's a blue one, and they ship you a 405 nanometers purple one.

I am happy with the brightness of this laser dot. It does meet my expectations and I will tell it to you guys it in different lighting levels. I will also use my LPM to give you guys the exact power of this laser.

It's really tough to see in darker settings. You need to look down the site of the laser. Then align your eyes with it perfectly such that you can faintly see the beam. The camera doesn't really pick it up but you will see the beam very faintly if you're in a very dark setting.

Next is a complete daytime setting. You're definitely not able to see the beam whatsoever. You can just barely see the dot if you've looked very closely, and you know where the dots going to be. I can keep my eye on where that dot is. That's about maybe one two hundred feet away, and I can still see that dot. It's very faint, and it doesn't really show up very well in daylight settings.. However, if you know exactly where to look and you keep your eye on it, you will be able to see it from some distance.

At nighttime settings, you pretty much get the same effect as that first one in the darkroom. If you look down the site of the laser, you can just faintly see the beam. If it's a foggy night, you will be able to see the beam much better.

I want to throw an extra in for you guys. If you shine it through water, like a fish tank, you can actually see the beam very well. Just make sure that you don't shine it at any animals. You will also get this effect even better, if you use a fog machine or maybe like a hookah pen. Any type of smoke will make the beam show up very well.

I move on to actually figuring out the true power of this laser pointer. Like I said, they advertised it as a five milliwatt laser, but a lot of times they do lie with these Chinese lasers. They're a bit stronger than they say. Anyways, because it's the cheapest blue out there, it probably will sit at somewhere around five milliwatts. I gave it about thirty seconds and we are getting an average reading of exactly five milliwatts. With this one, they are exactly as advertised a five milliwatt laser.

I am actually pretty happy with that. I mean I do always like a once over spec and it's a lot higher than they say. It is because I don't mind a stronger laser, but I do like how this was exactly what they advertised.

I quickly move on to the reviewing aspect of this laser. I was fairly pleased with the results I got. I did like Laser lands, even though they're based in China. It did take a little time for the product to come in, and that first one was a dud. They dealt with it very quickly and very professionally, and sent me a brand new one free of charge. This one did end up working flawlessly.

As far as negative things go, I've never really been a big fan of this host. Since it is the cheapest laser on the market, I guess I'm okay with it. Also, I didn't really like how it doesn't have a label on it. Most of the lasers I purchased, if not all of them, will have a label that says the power, what color it is, and what class of laser it is. This one didn't have any label on it at all, which I found strange. But it's not a major issue I guess. Also, that dot does have a little light spread, which I mentioned earlier in the review. It's not a perfect dot but it's not awful either. That's pretty much all the negative I have to say about it.

I was happy with the performance I got from this laser. It was bright for being the cheapest one on the market. For a price of $20, you really can't beat that. You're going to be pretty hard pressed to find a true blue 445 or 450 nanometer laser on the market for cheaper than that. The price was pretty good, and the seller was very good and professional as well.

Overall, I do like this laser. I would suggest it for anybody who is just trying to add a blue laser to their collection. Someone who and doesn't really care if it's very visible, if it has a really visible beam or if it can burn things.

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Source: https://lasereview.com/en/blue-445nm-450nm-5mw-laser-pointer-pen-review/

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