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Does anyone know (or is there a guide) how to make your own diffraction gratings? You can get the film from rainbow symphony, but I guess my question is..can the film be layered on top of each other to create a more exciting effect? Something like the different types of matrix gratings that nova...

Hi. I'm new to the whole laser scanner thing, and Im looking to buy something not too expensive to use during gigs with a few of my friend's bands, and nothing too powerful, as people would be pretty close to the stage at some of these venues. I was looking at something like this...

While looking at the reviews of the true 30 on DX, I came across a review that contained this: Now, I have no experience with CR type batteries at all. Would a CR123 fit inside the DX30 tube, and if so, how would you go about making that work, with the length of the battery and whatnot? I...

Does anyone know where one might aquire lenses and diffraction gratings that you could fit onto the larger diameter portable lasers like the RPL, PGL, etc? I recently purchased a >200mw S-KY from the group buy and Im looking for some optics that can fit on the end without me having to hold it...

What is it, and what does it allow you to do, exactly? I searched the forums and got 2 threads, neither of which explain its purpose.