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Just finished my second assembly. Not really sure i can call it an "assembly" or "build", since most of the work was done by others - I just soldered the module into the host and tightened a screw :) Either way, here they are: Smaller one is a PLTB450B 1.6w 450nm. I did that one first before...

So I'm poking around DTR's shop and I'm seeing options to select different drivers and lenses in the modules. So what I'm wondering is: how do you select those? What goes into deciding what driver to get (or make), and what lens to use? For example, what's the difference between G2 and G8? And...

Maybe I'm missing it in my searches, but I'm having trouble finding how to do a simple assembly and how to work with housings. Maybe I've got some wrong ideas... I've started off with some cheap 3mW and 5mW lasers I found on Amazon - 40 for $13, so cheap things, just to play around with. I got...

For quite a while yesterday I was getting errors trying to access the forum. "has experienced a network protocol violation that cannot be repaired." on Firefox and ERR_CONNECTION_RESET on Edge. Was it only me, or was there a problem with the forum?

New here. I had a HeNe laser many ages ago (I think from Edmund Scientific but don't remember) that I remember messing with - as a pointer, prisms & various lenses, etc. Was curious about finding something again and stumbled across this forum. Lots of good info already, just from reading! See...