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The main question that I want to know the answer to: Absorptive or reflective? Which is better?

Re: 445nm A130 Lens Comparisons! These lenses are nice actually, the half thread doesn't bother me. I just epoxied a focus ring to the non-threaded end.

If it was a boost driver (the constant current kind) it would just up it's output voltage to maintain the constant current, putting a resistor in series would have no effect; except for going out of the possible output range. You'd have to ask drlava about the function of his particular driver...

No, I pretty sure if you're going to point your camera at the sun, you're going to want to take a picture of something other than just a big yellow ball.

Nice build! What's the current draw on the batteries?

I'll write my own soon. I have a few ideas. What program did you use to set it out like that?

Ok, it's not 24.9. It's 20. Very nice expression you have there. sec^2 integral is easy, giving root3, so +3-1 at the end of the expression. The other integral comes out as tan^-1(e^x) between r and 0. tan^-1 in this sense is the inverse of tan, not cot. As x -> infinity, e^x -> infinity...

24.9 (I don't know what you want it rounded to) I'm uncertain about limits approaching infinity, but I'm pretty sure, and it came out reasonable, so I reckon it's right.

Alright, that's pretty damn small... When it landed in his hand... wow. I know you said the 6020 is great because of spare parts, how's the S107?

lol Things... DX earphones. What if we are and don't want to admit it? >_> I have Alessandro MS-1, UE superfi.5 and Head-Direct RE0. Portable source, Cowon D2. I have a set of kit speakers from LSK, M4 monitors, for listening at home. Not a huge audiophile, but I like quality sound.

@Hallucynogenyc Are there any helis you know of that are the size of the 6025, but similar in stability to the S107? I was really looking for a tiny one for indoors. Thanks!

These are pretty rare as it is. The big thing about these diodes is that they seem to fit the specs of a nichia diode, that is priced at almost double what that sale just was. I doubt a 50mW would be much less than $500. I would give it a year, they'll become more common eventually.

Well for NSW at least, trade is banned too. I wouldn't really make them for anyone you couldn't trust, them being stupid may reflect on you.

The very centre, a conductor instead of a resistor.

Agreed on a miscommunication, and slightly out of place actions from us. Resolved via PM.

Considering I was in this "potential" deal with you, maybe I was impressed by the readings too, and would be willing to offer a little more for the product. I'm happy to keep this going through PM.

And that potential buyer is still in for the sale at the agreed price. If you're pulling out of that offer, then at least have the courtesy to tell me that; rather than just reposting at a higher price.

What kind of lasers? There are a couple in NSW that I know of. You're best bet might be bobhaha, he's in sydney.

I've successfully imported lasers above 1mW. I did it through rayfoss and o-like, and got the tailcap and batteries shipped separately.

Nice work on the slit width, a 10th of a millimetre, that's about the thickness of printer paper; or was that the accuracy of your thickness measurements from 532? Would the results improve with a smaller slit? Maybe placing a thin material between the blades then removing it could get a smaller...