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Hey guys, just wanted to clarify something regarding the shirts. The shirts are free with SELEM registration, if you want an additional shirt, Adam has set the price at $20 per shirt. We plan on setting a cut off date around Aug 12th. So anyone who registers for SELEM or pays for an additional...

Ha! Well it's not always about how the effect is made so much as what the effect looks like. Regarding 6" wheels, Displaser on PL (not sure if he's here as well or not) makes some of the best glass lumia wheels around.

That looks awesome, nothing beats good lumia. How about a pic of the rig that projected that?!

SELEM V is getting closer. Thought I'd give you guys a bit of a teaser!

Since we're on the subject of knives, I figured you guys might like looking at this one. It was passed down to me by my grandfather who served in the Pacific theater during WWII. Aparently this is called a theater knife since it was built in the field. The men my grandfather led gave this to him...

Thanks for the info, I am aware of the high cost of the yellow pointers. I heard there were a couple for sale here last week and sold rather quickly. Wanted to see if there were any more before I buy a new one. I miss the pure yellow from an ion laser since almost all laser projectors are solid...

I'm looking for a yellow pointer. I prefer 589nm around 5-10mW. If you have something you're looking to get rid of, let me know. Thanks!

Hey kiyoukan, gibberish from a galvo can sometimes be easy to fix. First of all, do you know for sure that your software is working properly? Are you using a sound card DAC? If you have an oscilloscope, you can easily verify if the problem is with your DAC. If there is no problem with the DAC...

Just wanted to say that my replacement lenses arrived yesterday and have the correct coating. Many thanks, Chuck! David

Hi all, I am a bit concerned. I received my replacement lenses from Aixiz today, it is different, I just don't think it's the right one. First of all, something about the lens has changed, I only thread the new lens on a couple turns to get the beam focused, so over half the lens hangs out. And...

Hi all, I had one of these diodes fail on me as well, at about 950mA. In talking with some folks about it, we suspect the failure was due to back reflection, I guess we'll never really know for sure. Anyway, I "decanned" the diode and took some close up pics. The diode would still lase if I...

I've been running Lasever in my current projector for nearly 4 years now. They had problems with the blue lasers back then, however, after sending my blue back 2 times back in 2007, I've not had any problems. I recently ordered another 150mW blue, it seems to settle around 180mW and peaks at...

This has been an interesting thread, I've enjoyed reading it, except the parts where everyone at PL are called idiots, that's just silly. I don't understand this sense of rivalry between PL and LPF, I know there are several folks at PL that are very vocally anti-pointer, but not everyone falls...

Hey guys, speaking of Florida. On March 6th, we'll be having the 8th Florida Laser Enthusiast Meeting (FLEM) in Tavares, FL. This is mostly a laser show thing, but all laser freaks are welcome! Here's a video from FLEM7: YouTube - FLEM ver. 7 showing six projectors synched w/ LD-2000 and...

Absolutely. Can you get a pic of the crack? If it still turns on, then perhaps this crack is superficial. If the tube lights up, and the color looks good, then the only thing keeping it from lasing is the alignment of the mirrors. I hate to see this thing end up in the hands of the courier, only...

aryntha, does the tube turn on anymore? I see where you found a crack in the tube. If it turns on, it may still have a chance to lase.

Something else that would be neat if you add pure yellow to a scanner. Anyone ever hear of Chromadepth glasses?! You have to project images without mixing any of the colors together, but with the glasses an image in red appears closer than an image in yellow, green and blue. Having pure yellow...

Both supplies are spec'd to put out the same current? If that's the case, then it's most likely an alignment issue. You gotta be real careful trying to re-align them, and know that the tube itself acts like a big capacitor, even with the supply removed, the thing can nail ya, don't ask me how I...

I've never seen the insides of that model HeNe, does the cover come off easily? Are the mirrors attached directly to the tube? If so, it will be more difficult to re-align, but it can be done. The only other thing I can think of is the current. When you attached your supply, do you have still...

Well, yeah, sorta. If you consider one bell end the anode and the other bell end the cathode, then it's not. The two pins that stick out of the cathode side obviously is the connection to the filament, if you meter either pin to the end bell, there should be no continuity, if there is, that's a...