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I'd definitely be interested! I just bought one of your 561s on eBay.

Nichia's NDG4216 (515nm) is a 5.6mm, not 3.8. ;) (Edit: GREAT list, by the way!)

I have that artifact on both myself. I assumed it was something idiosyncratic to the diodes. (I'll have to turn the end cap and see 😉) I think the 492 may be a bit lower because its so miniscule a difference I can only tell when they're moving. I tested both on my CHEAP lpm and both were right...

It's such a subtle difference plus these diodes are identical and I'm sure they're the same ones Paul's run spectral analysis on. It seems anywhere between 487 and 495 I think.

I have a 445 running at about 1.25W but definitely need a 520. 🍻

I want a 473 labby but the costs have only gone up on those. Did you post photos of that 477? I'd be very interested in obtaining one of those. :)

Check it. 488-60, 492-100, 505-50 and 638-200(I think 650-250 though).

Witch's Tit... 😆 I forgot about that one. Duluth = Witch's Tit. Duluth is probably somewhere between Witch's Tit, Mn and Brass Monkey's balls, Mn.

I love your posts. They're some of the best. I've looked at some of your stuff regarding those 487-495 diodes. I love them. I'll be watching for your 465 post for sure. Meanwhile, check out my next post. I got some nice Sanwu beam shot video and put it on YouTube. :) Edit: Here it is -

I definitely want a 465 myself. Very pretty.

Its been a long time and I wasn't on long. I've made some purchases recently because the industry has become so exciting over the past few years! I've lurked a bit ever since because I have nothing of value to contribute but I may be asking some questions! You guys are the best brains to pick...

I figured as much myself. :yh: I really like the appearance myself. It's possible it may have a built in modulation capability, but I doubt it - I never get lucky. I'll post some pics and such anyhow!

I just found this on fleabay tonight... Helium Neon laser | eBay It was almost too cheap so I was apprehensive. There's no model # given but the minimum cost on i-fiberoptics.com is $350.00! So, seeing the good feedback for the seller coupled with the fact that they seem to sell miscellany, I...

LOL :yh: Did you not find the pot on that?

I get a similar "whine" out of a AA battery box I have which lends me to think it's the switch on that.

Guess I'm not that simple.

I was just looking at these about an hour ago. That 100 is definitely nice and the price isn't attrocious.

I'm running my 445 off 2AA nimh at right about 575mA @ 2.65v. Question: is there an inverse square relationship between v/a through the driver and what would the output of the laser be at this level? My guess after checking the amperage would be about 280mW but that seems a bit high and it...

What a couple of maroons.... I was compelled to add a comment to this one it was so damn stupid.

I'll say this much... It was likely an iridium flare. That said, there IS an 'Aurora' aircraft out there, but I'm sure it's not stoppin' for flashlights. Either this aircraft exists or it's extraterrestrial... take your pick. But, I've seen a couple of very bizarre things that completely defy...