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I have a number of custom focus rings from good people on this forum, that I like to use to dress up my hand-held units, and/or make the units easier to handle. However, makers of custom focus rings seem to often thread the rings to a generous depth. As a result, when the lens is fully seated...

I'm sure that many people here have interacted with "Susie" from O-like, "Tony" from some other laser vendor, etc. Can anyone here explain the cultural phenomenon of Chinese people presenting themselves with a casual Western first name? Let me hasten to say, that I know for sure that this is...

I thought people might like seeing the results of a laser built using Jayrob's wonderful Large Maglite Monster Kit: http://laserpointerforums.com/f64/fs-large-maglite-monster-kits-flexmodp3-side-button-forward-clicky-57278.html In the picture, I include another laser I own, just for fun. The...

Thought that you folks might enjoy this: Nasa to use lasers to shoot space junk around Earth | Mail Online

Hi there. This is a combination of an introduction thread and a first (very important safety) question thread. About me: I first played around with lasers a lot in 1971, using 120V AC powered red laser units in big steel cases for theatrical effects. Nobody gave a thought to safety glasses...