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So it took two weeks LESS than you quoted, and the guy complained about how long it took?! Maybe the guy was just really excited about the shipment and became a pest. Sometimes, when I'm waiting for a shipment, I worry that I have become a pest by asking for tracking info, photos, updates...

Marco, do you know of any hosts available, or parts to install into a compatible host, with the key switch interlock system? Also, this Chinese laser is only a little over $100. If I can build a 500 mW 405 nm for the same price that would be a better build quality, then I'd go for it, but for...

Thank you for your kind words! Do you have a review of your "405nm >> Skylasers PL405 500mW?" I just placed an order for an HL405-500, so it would interest me. I did find another user's review of a similar product here, which seemed to be pretty positive, overall.

Hello. I've been lurking here for ages. I've always like this place, but never thought I had much to contribute, so I took forever to sign up, then took about just as long to finally post something (more looking for similar experiences than sharing soemthing profound). I don't have a very...

Personally, I would like to know how this all works out for you. You might wish to double check the quality of your safety glasses. I've had multiple occaisions in which a pair of safety glasses didn't quite meet spec. There are scammers out there who will just take a regular pair of safety...

Did the shipment take longer than eight weeks? Longer than ten weeks? I suppose that if the shipment took longer than expected, the customer might have some reason to complain, but even then, it's not your fault, especially if you offered another shipping method and tracking information. I...

I've now placed an order for a S-KY Lasers HL405-500 (spec'd 490-500 mW) via LaserBTB. I know there have been some less than stellar reviews about this supplier recently, so we'll see how it goes. My order was confirmed via email within one hour, and I received another update half a day later...

Interesting question. Scientists have recently discovered that there are more genetic alleles for colour cones than previously thought. Men not only describe fewer colours than women, but they typically see fewer colours, because females often have a mosiac of different colour cones from...

Ok, so the current for the new laser is 166 mA @ 7.5 VDC (about 1.25 W from the batteries), but maybe the device is over 60% efficient. My 405 nm pen that fell apart is still pushing 169 mA @ 3 VDC, and my newer 532 nm pen is pumping 223 mA out of the batteries at 3 VDC. I know it is also of...

Benm, that's a great idea. I will try this later, and maybe post the result tomorrow. Just for fun, I tried it on a 5 mW 650 nm cat toy and metered 30 mA @ 4.65 VDC, then I tried a Chinese 405 nm pen (marked 10 mW on the label, even though it was sold to me as a 5 mW, but I suspected it was...

Thanks, Mike. I would love to assemble my own devices. I would like to clarify; however, that I didn't come here to complain or to look for resolution. I merely wanted to share my experience, in case others were thinking of doing the same, so they might better know what to expect; and I also...

Ah yes, 110 W, but still, 14 A is too much current for batteries to supply.

@Bubonic Chronic: I emailed them the other day. They did get back to me very quickly, but all that they said was that the laser is 500 mW. I asked about the label and they said: "I am sorry for this misunderstanding and confusion. This is a internal model# not the output power label. All...

Here's a photo of the laser. Note the model number tag and overall appearance similar to S-KY's HL405-100 This crud seems to be between the lenses…

11k lumens is equivalent to 1100 W (max. efficiency at around 100 lumens per Watt), for a typical high efficiency LED. Even at 8 V, this is about 140 A, which is too high for any handheld battery to handle.

Thanks, ARG! I've had my eye on the 500 mW S-KY Lasers' PL405-500 for some time. I've seen it available on LaserBTB and on Ray Foss's site for around $200.

I decided to take a chance on a laser from Freemascot.com, after looking at the host and getting excited about the specifications and price. Basically, the listing stated that the laser, model LP00016, manufactured by Free Mascot, is a 405 nm direct diode laser with 500 mW of power, fully...